• Infrared Detect Technology: Adopts advanced infrared detect technology for accurate and reliable performance.
• Wireless and Easy to Install: No wiring design makes it simple to use and easy to install.
• Long Sensing Distance: Provides a long sensing distance for effective coverage.
• Customizable Features: Offers 38 different songs to choose from, and 3 levels of volume adjustment.
• Voice Modes: The receiver has the function to set voiced noiseless modes for added convenience.
• Wide Application: Functional for home, office, shop, or factory settings.
• Battery-Powered: The transmitter is powered by 3 AA batteries (not included), ensuring flexibility in placement.
• Easy Installation: Follow the instructions provided in the English/Chinese manual for straightforward installation.

How to Use:

1. Open the sensor cover, install 1 x 9V battery, then open the switch in the circuit board.
2. Install 2 x AA batteries in the receiver and push the switch to open it.
3. Install the sensor on the door or desired location.
4. Adjust the receiver tone volume and sensor angle for optimal settings.
5. Experience automatic sweet music ringtones when the sensor detects human presence, accompanied by a red LED light.
6. Perform a self-test function for wireless doorbell operation.