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Terms of Service

Last updated: December 26, 2025

Please read these Terms of Service ("Terms", "Terms of Service") carefully before using the Brightness application ("the App", "Service") operated by Baizhanhui ("us", "we", or "our").

This website and the services provided are operated by Abel (Bai Zhanhui).

By downloading, installing, or using the App, you agree to be bound by these Terms. If you disagree with any part of the terms, you may not use our App.

1. License Grant

Subject to your compliance with these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to:

  • Download and install the App on devices that you own or control
  • Use the App for personal or commercial purposes

This license is for your personal use and does not include the right to sublicense or distribute the App to others.

2. Restrictions

You agree not to:

  • Copy, modify, or distribute the App or any portion thereof
  • Reverse engineer, decompile, or disassemble the App
  • Attempt to derive the source code of the App
  • Remove, alter, or obscure any copyright, trademark, or other proprietary notices
  • Use the App for any unlawful purpose or in violation of any applicable laws
  • Transfer or assign your license to another person or entity
  • Use the App to harm, threaten, or harass others

3. Intellectual Property

The App and its original content, features, and functionality are and will remain the exclusive property of Baizhanhui. The App is protected by copyright, trademark, and other laws. Our trademarks may not be used in connection with any product or service without our prior written consent.

4. Purchases and Payments

Our order process is conducted by our online reseller Paddle.com. Paddle.com is the Merchant of Record for all our orders. Paddle provides all customer service inquiries and handles returns.

By making a purchase, you agree to Paddle's Terms of Service.

  • All prices are in USD unless otherwise stated
  • Payment is due at the time of purchase
  • Paddle handles all payment processing securely
  • Receipts will be sent to the email address provided during purchase

5. License Activation

After purchase, you will receive a license key via email. This license key is personal to you and may not be shared, published, or transferred to others. We reserve the right to revoke licenses that are found to be in violation of these terms.

6. Updates and Modifications

We may from time to time provide updates, upgrades, or modifications to the App. These may be provided automatically or may require manual installation. We are not obligated to provide any updates or to continue supporting older versions of the App.

7. Support

We provide customer support via email. While we strive to respond to all inquiries in a timely manner, we do not guarantee response times or resolution of all issues.

8. Disclaimer of Warranties

THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:

  • IMPLIED WARRANTIES OF MERCHANTABILITY
  • FITNESS FOR A PARTICULAR PURPOSE
  • NON-INFRINGEMENT
  • THAT THE APP WILL BE UNINTERRUPTED, SECURE, OR ERROR-FREE

We do not warrant that the App will be compatible with all external displays or that DDC control will work with all monitors.

9. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BRIGHTNESS, ITS DIRECTORS, EMPLOYEES, PARTNERS, AGENTS, OR AFFILIATES BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO:

  • Loss of profits, data, or goodwill
  • Service interruption or computer damage
  • Any damages arising from the use or inability to use the App

In no event shall our total liability exceed the amount you paid for the App.

10. Indemnification

You agree to defend, indemnify, and hold harmless Brightness and its affiliates from and against any claims, damages, obligations, losses, liabilities, costs, or debt arising from your use of the App or violation of these Terms.

11. Third-Party Software

The App may include third-party software or libraries. Such third-party software is governed by its own license terms, which you agree to comply with.

12. Termination

We may terminate or suspend your license immediately, without prior notice or liability, for any reason, including if you breach these Terms. Upon termination, your right to use the App will cease immediately.

13. Governing Law

These Terms shall be governed by and construed in accordance with the laws of the jurisdiction in which the developer is located, without regard to its conflict of law provisions. Any disputes arising from these Terms shall be resolved in the courts of that jurisdiction.

14. Severability

If any provision of these Terms is found to be unenforceable or invalid, that provision will be limited or eliminated to the minimum extent necessary so that these Terms will otherwise remain in full force and effect.

15. Entire Agreement

These Terms constitute the entire agreement between you and Baizhanhui regarding the use of the App, superseding any prior agreements.

16. Changes to Terms

We reserve the right to modify or replace these Terms at any time. We will provide notice of any material changes by updating the "Last updated" date. Your continued use of the App after any changes constitutes acceptance of the new Terms.

17. Contact Us

If you have any questions about these Terms, please contact us at:

Email: baizhanhui@outlook.com

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