1. Product Overview
The ARPHA WiFi Video Smart Lock with Camera & Doorbell is a multi-functional security solution designed for modern homes. It offers five keyless entry methods, including fingerprint recognition, keypad access, and app control, alongside traditional key access. Integrated features include a wide-angle camera, a doorbell, and an auto-lock function for enhanced convenience and security.

Figure 1: ARPHA WiFi Video Smart Lock with live video feed on a smartphone.
Key Features:
- Multi-Functional Design: Combines keyless entry, fingerprint, keypad, app control, camera, and doorbell.
- Real-Time Video & Two-Way Audio: View live video and communicate with visitors via the app.
- One-Touch & Auto-Lock: Effortless locking and customizable auto-lock timer.
- Durable & Weatherproof: IP65 waterproof rating, designed for extreme temperatures (-31℉ to 158℉).
- No Monthly Fees: Full smart lock features without recurring subscriptions.
- 2.4GHz WiFi Only: Requires a 2.4GHz Wi-Fi network for optimal performance.
2. What's in the Box
Before beginning installation, please verify that all components listed below are present in your package. Refer to the installation video for a visual guide to the contents.
Video 1: Installation Video Guide (0:01-0:05 shows box contents). This video provides a comprehensive walkthrough of the installation process.
Package Contents:
- Front and rear lock mechanism
- Handle set (interior/exterior)
- All necessary mounting screws
- Step-by-step installation guide
- Keys (x2)

Figure 2: Detailed view of the smart lock components.
3. Setup and Installation
The ARPHA Smart Lock is designed for easy installation. Please follow these steps carefully. For a visual guide, refer to the Installation Video Guide.
3.1 Prepare Your Door
- Measure the distance between the lock cylinder and the door edge to ensure compatibility (60mm or 70mm backset).
- Ensure the deadbolt is oriented correctly with the word "UP" facing upwards.

Figure 3: Door measurement guide for installation.
3.2 Install the Latch and Strike Plate
- Insert the latch into the door edge.
- Secure the strike plate to the door frame using the provided screws.
3.3 Install the Exterior Assembly
- Rotate the tail of the lock cylinder to the horizontal position.
- Pass the connection wire through the button of the cylinder.
- Align the protruding position of the latch with the concave position of the lock body and insert.
- Thread the antenna power cord through the bottom-right hole of the mounting plate.
- Secure the exterior assembly to the door using the mounting plate and screws.
3.4 Install the Interior Assembly
- Adjust the knob on the interior assembly to the vertical position.
- Connect the front and rear power communication link cables.
- Secure the interior assembly to the door using the provided screws.
- Install 4 AA batteries (not included) into the battery pack.
- Close the battery cover.

Figure 4: Multi-function and security features of the smart lock.

Figure 5: Two-way audio and app control interface.
4. Operating Instructions
4.1 Unlocking Methods
- Fingerprint Unlocking: Place your registered finger on the fingerprint sensor for instant access. The lock features 1-second biometric recognition with a 99.9% recognition rate and can store up to 50 fingerprints.
- Keypad Password: Enter your programmed password on the keypad.
- One-Time Code: Generate temporary access codes for guests via the app.
- Traditional Key: Use the physical key as a backup.
- App Remote Control: Unlock the door remotely using the dedicated smartphone application.

Figure 6: Multiple ways to unlock your smart lock.

Figure 7: Fingerprint unlocking feature.
4.2 Auto-Lock Function
The smart lock features an auto-lock function that can be set to automatically lock the door after a specified period (10 seconds to 30 minutes). This ensures your home is always secure, even if you forget to manually lock it.

Figure 8: Auto-lock and one-touch lock features.
4.3 Doorbell and Two-Way Audio
Pressing the doorbell button on the smart lock will send an instant notification to your phone. You can then view live video, remotely unlock the door, and communicate with visitors using the built-in two-way microphone.

Figure 9: Doorbell request and real-time notification.
5. Maintenance
5.1 Battery Replacement
The smart lock requires 4 AA batteries (not included). When the battery level is low, you will receive an alert. Replace all four batteries simultaneously to ensure optimal performance and prevent issues.

Figure 10: Battery status and requirements.
5.2 Weather Resistance
The smart lock is IP65 waterproof certified and designed to withstand various weather conditions, with an operating temperature range of -31℉ to 158℉ (-35℃ to 70℃). Regular cleaning of the exterior with a soft, damp cloth is recommended to maintain its appearance and functionality.

Figure 11: Smart lock durability in various weather conditions.
6. Troubleshooting
Common Issues and Solutions:
- Lock not responding: Check battery levels and replace if necessary. Ensure the power communication cables are securely connected.
- Fingerprint reader not working: Ensure your finger is clean and dry. Re-register your fingerprint if the issue persists.
- Wi-Fi connectivity issues: Verify your router supports a 2.4GHz band, as 5GHz is not compatible. Ensure the lock is within range of your Wi-Fi signal.
- Doorbell not notifying: Check app notification settings and ensure the lock has a stable Wi-Fi connection.
- Excessive battery drain: Ensure you are using high-quality alkaline batteries. Frequent video streaming or two-way audio usage can increase battery consumption.
If you encounter persistent issues not covered here, please contact customer support for assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | ARPHA |
| Model Name | D289+H300 |
| Lock Type | Biometric, WiFi |
| Special Features | Fingerprint, Camera, WiFi, App Unlock, Auto-Lock |
| Connectivity Protocol | Wi-Fi, BLE |
| Control Method | App |
| Material | Zinc |
| Color | Bronze |
| Item Dimensions L x W x H | 6 x 4.5 x 4 inches |
| Item Weight | 3.96 pounds |
| Batteries Required? | Yes |
| Batteries Included? | No |
| Recommended Uses For Product | Home |
| Country of Origin | China |
8. Warranty and Support
ARPHA is committed to providing excellent customer service and product reliability.
Warranty:
This product comes with an 18-month warranty from the date of purchase.
Support:
We offer 24/7 email support and lifetime technical support to ensure your complete satisfaction. For any inquiries or assistance, please reach out to our customer service team.

Figure 12: ARPHA Customer Support.





