App Name: Water Technic

Package Name: com.landry9527.softwater.controllert

Effective Date: September 3, 2026

Update Date: September 15, 2026

Introduction

Thank you for choosing Water Technic. We understand how important personal information is to you and will take reasonable security measures in accordance with applicable laws and regulations to protect the security of your personal information. This Privacy Policy (hereinafter referred to as the "Policy") explains how we collect, use, store, share and transfer your personal information when you use the Water Technic mobile application (hereinafter referred to as the "App") and related services, as well as the rights you have in relation to such information.

Please read this Policy carefully and fully understand its contents before you start using the App. By starting to use the App, you are deemed to have read, understood and agreed to this Policy. If you have any questions about this Policy, you may contact us using the contact details at the end of this Policy.

1. Information We Collect

To provide our services to you, we collect the following types of information. If you refuse to provide necessary information, you will not be able to use the corresponding functions.

1.1 Information You Voluntarily Provide

• Account Information: When you register or log in, we collect your email address. During your use of the App, we may further collect your nickname, country code, language preference and time zone settings.

1.2 Information Automatically Collected by the System

• Device Information: To ensure the normal operation of services, optimize your experience and maintain account security, we automatically collect your device model, Android ID, login IP address, wireless connection information, operating system type and version, application version number, push notification identifier, log files and mobile network information.
• Usage Data: We record your operations within the App, including page visits, taps and device control actions, so that we can diagnose faults and improve the service.
• Log Information: System and exception logs are uploaded during the operation of the App, including your IP address, system language, operating system version, access time, etc.

Standalone device information and log information cannot identify a specific natural person. If we combine such non-personal information with other data to identify a specific person, or combine it with personal information, such non-personal information shall be deemed personal information during the period of combined use. Unless authorized by you or otherwise required by laws and regulations, we will anonymize and de-identify such information.

1.3 Permission Calls and Supplementary Function Information

To provide more convenient services, we may call the following system permissions after obtaining your authorization. Refusing authorization does not affect the use of basic functions, but you will not be able to enjoy the corresponding supplementary services:

• Bluetooth Permission: Used to discover, pair and connect nearby smart water softener devices. Bluetooth data is read only when you actively start a device search.
• Location Permission: Location access is required by the system to discover and pair nearby Bluetooth and Wi-Fi smart devices during device setup. We do not use your location for advertising or tracking, and we do not collect your location in the background. You may disable location services in your system settings.
• Local Network Permission: Used to discover and control smart devices on your home network.
• Camera and Photo Library Permission: The underlying runtime framework bundled with this App contains a photo/video picker component, which is why the system requires these two permission descriptions to be declared. The current version of the App provides no camera, recording or photo-library entry point and we do not actively request these permissions. If a future version enables them, we will update this Policy accordingly.
• Storage Permission: Used to ensure stable client operation, reading or writing necessary information such as cached images, configuration files and crash logs. This data stays on your device.

1.4 Smart Device-Related Information

• Basic Device Information: After connecting a smart device, we collect the device name, Device ID, online status, activation time, firmware version and upgrade records.
• Device Operation Data: We collect operation data reported by the connected smart water softener.

2. How We Use Information

We use the collected information for the following purposes:

• Providing and Maintaining Services: Processing your account and device information to provide the products and services you request or purchase. The legal basis is the performance of the service contract between us.
• Improving and Optimizing Products: Analyzing device and usage data to ensure product functionality and security, develop and upgrade products, analyze operational efficiency, and detect fraud or unauthorized use. The legal basis is the performance of the service contract.
• Security and Risk Control: Maintaining account and system security, and preventing fraud, cyberattacks and other risks.
• Compliance with Laws and Regulations: Processing your personal information when required by laws and regulations or when we deem it necessary to fulfill our legal obligations.

If the purpose of information processing changes, we will notify you via email or prominent in-app notices and explain your available options.

3. Information Sharing and Disclosure

The App only shares your personal information in the manner disclosed in this Policy. We may disclose your personal information to the following parties:

• Service Providers: Third parties that provide business-related services for us (such as email delivery services), to enable them to provide services to us.
• Business Partners: Customers and partners that directly or indirectly supply smart devices and the networks and systems you use to access our services.
• Restructuring and Mergers: In the event of business restructuring, merger, sale, joint venture, asset transfer or similar transactions (including bankruptcy proceedings), we may disclose information to relevant parties. In such cases, we will notify you via email or website of the ownership change, new data usage methods and your options.
• Legal Requirements: Disclosure when necessary to comply with laws and regulations, respond to requests from public institutions or government authorities, enforce our terms, or protect the rights and property of us and our users.
• With Your Consent: Other third parties only with your explicit consent.

4. Cross-Border Transfer of Information

The App complies with applicable data localization requirements and stores data within the corresponding jurisdictions. For operational purposes, we may transfer, store and process your personal information in jurisdictions outside your place of residence, which may apply different data protection laws. In such cases, we will ensure adequate protection of your information through measures including but not limited to agreements based on the EU Standard Contractual Clauses (Article 46 of the GDPR).

5. Data Security

We adopt commercially reasonable physical, administrative and technical measures to maintain the integrity and security of your personal information:

• Access Control: We ensure data security and implement access authentication and authorization management.
• Transmission Encryption: Secure encryption algorithms, transmission encryption protocols and commercial-grade dynamic key-based encrypted transmission are supported.
• Processing Controls: Strict data filtering, validation and complete data audit workflows are implemented.
• Storage Encryption: All user confidential information is encrypted for storage.

If you believe your account security has been compromised, please notify us immediately via the designated email address.

6. Data Retention Period

We process your personal information only for the shortest period necessary to achieve the purposes set out in this Policy, unless a longer retention period is required by specific laws. We will determine an appropriate retention period based on the volume, nature and sensitivity of the data. Upon expiration of the retention period, we will destroy your personal information; if permanent destruction is technically infeasible, we will take measures to prevent further use.

7. Your Rights

We respect your rights regarding personal information. You may submit requests to us via email; all requests are free of charge, and we will complete verification and processing within 15 working days or 30 calendar days. For security purposes, we may require you to verify your identity before processing.

You have the following rights:

• Right of Access: Request access to all personal data we process about you.
• Right to Rectification: Request correction of inaccurate or incomplete personal data.
• Right to Erasure: Request deletion of your personal data.
• Right to Restriction of Processing: Request temporary or permanent restriction of our processing of part or all of your personal data.
• Right to Data Portability: Request transmission of data to you or a third party where processing is based on consent or contract and carried out by automated means.
• Right to Object: Object to or refuse our processing of your personal data where processing is based on consent or legitimate interests.

Withdrawal of Consent

You may withdraw your consent in the following ways:

1. Modify device permissions in your device system settings, including location, camera, album, microphone, Bluetooth, notifications, etc.
2. Unbind smart devices within the App to stop the collection of device usage information.

Withdrawal of consent does not affect processing carried out based on consent prior to withdrawal.

Account Cancellation

You may cancel your account via the following path: [Mine] - [Account & Security] - [Delete Account].

8. Third-Party Information Sharing and SDK List

To ensure the stable operation of the App or enable relevant functions, we may integrate third-party SDKs and APIs. We conduct rigorous security testing on all SDKs.

This list helps you understand how third-party partners access and process your personal information. Third-party services may undergo irregular version updates or business policy adjustments, and their data processing rules may change accordingly. For definitive details on how third parties process your data, please refer to their official privacy policies or service agreements.

I. Third-Party Information Sharing List

1.1 User Account Information Sharing

• Information Category: Account Information
• Specific Information: User Email Address
• Purpose of Sharing: User Registration & Identity Verification
• Recipient: Tuya Smart Platform
• Sharing Method: Encrypted API Transmission
• Security Measures: TLS 1.2+ Encryption, Data Desensitization

1.2 Device-Related Information Sharing

• Information Category: Device Information
• Specific Information: Water Softener Device ID, Model, Status
• Purpose of Sharing: Remote Device Control & Status Synchronization
• Recipient: Tuya Smart Platform
• Sharing Method: Encrypted MQTT Communication
• Security Measures: Device Identity Authentication, End-to-End Encryption

• Information Category: Usage Data
• Specific Information: Device Usage Frequency, Water Softening Settings
• Purpose of Sharing: Product Function Optimization & User Experience Improvement
• Recipient: Tuya Smart Platform
• Sharing Method: Aggregated & Anonymized Data Transmission
• Security Measures: Data Minimization Principle, De-identification Processing

II. SDK Service List

2.1 Tuya Smart SDK

• SDK Name: Tuya Smart SDK
• Version: Latest Stable Release
• Function Description: Provides core capabilities including device connection, remote control and firmware upgrade.
• Types of Information Collected:
  • Device Information: Unique Device Identifier (Device ID), Device Model & Firmware Version, Device Network Status
  • User Operation Information: Records of Device Control Commands, Scene Preference Settings, Firmware Upgrade Logs
  • Network Information: IP Address (for device discovery and connection), Network Type (Wi-Fi / Mobile Network), Signal Strength
• Data Processing Rules: All data transmissions adopt TLS encryption; sensitive user information undergoes desensitization; device control commands adopt asymmetric encryption.
• Privacy Policy Link: https://www.tuya.com/privacy

2.2 Tencent Bugly (Crash Reporting)

• SDK Name: Bugly
• Provider: Tencent
• Function Description: Collects App crash and exception logs so that we can locate defects and improve stability.
• Types of Information Collected: Crash and exception stack traces, device model, operating system version, App version, launch time, network type.
• Privacy Policy Link: https://privacy.qq.com/document/preview/fc748b3d96224fdb825ea79e132c1a56

III. Data Processing Principles

• Data Minimization: We only collect the minimum information necessary to deliver product functions and do not gather user data irrelevant to water softener control.
• Purpose Limitation: All collected information is used only for: intelligent control of water softeners, provision of user account services, optimization of product experience, and fault diagnosis & technical support.
• Security Protection: Transmission Security (HTTPS / TLS 1.3 encryption), Storage Security (sensitive information encrypted at rest with periodic security audits), Access Control (least privilege principle), Data Retention (shortest period required by applicable laws).

IV. User Rights Statement

You are entitled to the right to know, right of access, right to rectification, right to erasure, and right to withdraw consent.

9. Policy Updates

We may update this Policy to reflect changes in our data processing practices. In the event of material changes, we will notify you via email (sent to your registered email address) or in-app announcements prior to the effective date of the changes. We recommend that you review this page regularly for the latest information.

10. Contact Us

If you have any questions regarding our data processing practices or this Policy, please contact us:

Email: 1032731835@qq.com