Terms of Use

I. Agreement Effectiveness and Scope of Application

This agreement is entered into between the operator of the Parsian Tasvir application (the "App") (hereinafter referred to as "we/us") and the user of the App (hereinafter referred to as "you"). Before registering, logging in, or using the services of the App, you should carefully read and fully understand all the terms of this agreement, especially the clauses related to the collection and use of facial information, limitation of liability, and intellectual property.

1. By clicking the "Agree" button, completing registration, or actually using the services of the App, you are deemed to have read, understood, and agreed to all the contents of this agreement, which constitutes a legally binding contract between you and us.
2. If you are under 18 years of age, you must use the App under the supervision and with the written consent of your legal guardian. If you do not agree to any term of this agreement, you should immediately stop using the services of the App.
3. This agreement applies to all services provided by the App, including but not limited to account registration and login, device binding and management, family/co-owner management, doorbell calling and message push, record management and facial recognition, as well as various services we may add in the future.

II. Service Content and Usage Rules

(I) Core Service Content

The App is a smart doorbell application, primarily used for doorbell device management and communication. The core services include:

1. Account registration/login: complete registration or login via email or phone number, with identity verification via verification codes.
2. Verification code service: send verification codes for security verification scenarios such as account registration, login and password reset.
3. Call and message push: push call notifications (including doorbell calls to the phone and phone calls to the device) to your phone.
4. Device binding: bind the doorbell device by scanning the QR code (requires camera permission) or entering a temporary code.
5. Family/co-owner management: invite family members or co-owners, manage their device usage permissions and shared access.
6. Device management: monitor device status, initiate device calls, receive device calls, and manage device operating status.
7. Message management: view, store, and manage call messages and system notification messages.
8. Record management: query and manage call records, snapshots and operation logs.
9. Facial recognition service: collect and encrypt facial information for doorbell access, visitor recognition, and facial recognition usage record management.

(II) Usage Restrictions

1. The App is intended for the owner or authorized user of a purchased doorbell device and authorized household members. You agree to use the services of the App only for lawful management of your own device.
2. You promise not to engage in any illegal or non-compliant behavior, including but not limited to:
   • Uploading, transmitting, or storing illegal, violent, pornographic, or sensitive content;
   • Reverse engineering, tampering with, or hacking into the App's programs, or interfering with the normal operation of servers or bound devices;
   • Stealing others' identity information, facial information, or account permissions, or improperly using device functions;
   • Selling, leasing, or transferring usage rights of the App to third parties without our written permission;
   • Disclosing personal information of others (including facial information, call records, device data) obtained through the App to any third party;
   • Using the call function to harass others or disrupt normal order;
   • Other actions that violate applicable laws, regulations, public order, good customs, or the terms of this agreement.

III. Collection and Protection of Facial Information and Personal Data

(I) Scope of Data Collection

To provide services, we collect the following data following the principles of "legality, legitimacy and necessity":

1. Account information: email, phone number, verification code, password, name (provided by you voluntarily);
2. Facial information: facial image/feature information (collected after obtaining your explicit consent), used for doorbell facial recognition;
3. Device information: device model, operating system version, unique device identifier, IP address, usage region (collected automatically to ensure service stability);
4. Log information: service usage records, operation logs, call records, facial recognition records (collected automatically for service traceability and optimization);
5. Communication information: call records between the phone and the device, message interaction records;
6. Camera permission: used only for scanning the QR code to bind the device and facial recognition (only data necessary for the function is collected).

(II) Purpose of Data Use

• Providing core services: account login, device binding, facial recognition, call and message push, device management, record query;
• Security risk control: identifying abnormal login behavior, preventing account/device theft;
• Service optimization: improving service stability and user experience based on de-identified data analysis;
• Compliance requirements: cooperating with regulatory investigations and fulfilling disclosure obligations required by applicable laws and regulations.

(III) Data Protection Measures

1. We strictly comply with applicable data protection regulations. Facial information is stored using AES-256 encryption, and all data transmission is protected by HTTPS encryption. We have established strict access control mechanisms to prevent data leakage, tampering or destruction.
2. We will not sell, lease, or disclose your personal data (including facial information) to any third party, except: with your explicit written consent; as required by applicable laws or mandatory orders from government authorities; in cases of merger, acquisition, bankruptcy or liquidation where the transferee undertakes to comply with this agreement and privacy policy; or as necessary to protect the legitimate rights and interests of us, users or the public.
3. Your personal data is retained only for the shortest period necessary for the service. Within 30 days after account cancellation, we will completely delete or anonymize all data (unless otherwise required by law), including the synchronized deletion of facial information and call records.

IV. User Rights and Obligations

(I) User Rights

• You have the right to query, correct, and delete your personal data (facial information can be requested for deletion via the privacy settings; deletion will disable the facial recognition function);
• You have the right to query and export data under your account, such as device call records and facial recognition records, and may also request the deletion of unnecessary records;
• You have the right to cancel your account. After cancellation, we will stop processing your personal data and delete related information as agreed;
• You have the right to withdraw information authorizations (e.g., camera, notifications, facial information use). Withdrawing core permissions may render corresponding services unavailable (e.g., withdrawing camera permission disables QR code scanning for device binding);
• If you believe our data processing actions infringe upon your rights, you may complain via the support channels, and we will respond with the processing result within 15 working days.

(II) User Obligations

• You promise that the personal information you submit is true, accurate, and complete. Any losses caused by false or incomplete information shall be borne by you;
• You are fully responsible for the security of your account and password. Your account shall not be transferred or lent to others;
• You must cooperate with our compliance and risk control measures and provide necessary identity verification information;
• You must properly safeguard the information of others obtained through the App (e.g., family member information, call records, device data) and shall not disclose, tamper with, or illegally use it;
• You promise to use the call function properly and shall not use it to harass others or transmit non-compliant information.

V. Intellectual Property

1. All intellectual property rights in the App's software programs, UI design, trademarks, data content, and functional rules (including device call interaction rules and facial recognition management rules) are exclusively owned by us and are protected by copyright law and international treaties.
2. Without our written permission, you may not copy, modify, sell, or lease any content of the App, nor authorize third parties to use it.

VI. Disclaimer and Limitation of Liability

1. The App provides services "as is". We do not guarantee uninterrupted or error-free service, but will strive to ensure operational stability. We are not directly liable for service anomalies caused by factors beyond our fault, such as device failures, network interruptions, unsuitable facial recognition environments (e.g., poor lighting), or call link abnormalities, but we will assist in troubleshooting.
2. We are not liable for losses caused by factors beyond our fault, such as force majeure, policy changes, or third-party service failures (e.g., communication carrier or cloud platform issues).
3. Losses caused by your improper use of the App (including infringement due to facial information leakage, malicious calls disrupting order, etc.) shall be borne by you.
4. The information/services provided by the App are for reference only and do not constitute any operational advice. You should exercise your own judgment and bear the risks of use.

VII. Agreement Modification and Termination

1. We reserve the right to modify this agreement based on updates to laws and regulations or business adjustments. We will notify you in advance via pop-ups or announcements in the App. Your continued use of the service constitutes acceptance of the modified terms.
2. You may terminate the use of services at any time. This agreement automatically terminates upon account cancellation.
3. If you seriously violate the terms of this agreement (including improper use of the call function, leaking facial information, etc.), we have the right to suspend or terminate your account usage rights and reserve the right to pursue legal liability.

VIII. Protection of Minors

1. If you are a minor under 18 years of age, you must read this agreement under the guidance of your legal guardian and obtain written consent before using the App.
2. We collect and use minors' personal data only as permitted by law, with guardian consent, or as necessary to protect minors' rights and interests. If we discover the collection of minors' information without guardian consent, we will immediately delete the related data.

IX. Dispute Resolution

1. Disputes arising from this agreement shall first be resolved through friendly negotiation. If negotiation fails, they shall be submitted to the competent court of the jurisdiction where we are established.
2. This agreement is governed by the laws of the jurisdiction where we are established (excluding conflict of law rules), while also considering relevant laws and regulations of the regions where services are provided.

X. Contact Information

If you have any questions about this agreement, you may contact us through the support channels provided in the App.