• Advanced Technology: This wireless doorbell alarm detector adopts advanced infrared detect technology for accurate and reliable performance.
• Easy Installation: With a no-wiring design, it is simple to use and easy to install. The sensor transmitter comes with installation brackets for convenient angle adjustment.
• Wireless Range: It offers up to 100m wireless working distance in open areas and 10m for indoor use, providing flexibility in placement.
• Adjustable Receiver: The receiver volume is adjustable, and it sends chime sounds and illuminates red LED lights when the PIR devices detect motion nearby.
• Multi-Purpose: Perfect for home, office, or commercial buildings, this sensor and receiver combination offers versatile use.
• Battery Powered: The receiver is powered by 2 x AA batteries (not included), and the PIR Sensor requires DC 9V (1 x 6F22, not included).
• Group Functionality: It supports 2 receivers and 1 transmitter to work as one group, providing expanded coverage.

How to Use:

1. Install batteries in the sensor and receiver
2. Place the sensor at the desired entrance
3. Adjust the receiver tone volume and sensor angle for optimal settings
4. Experience automatic sweet music ringtones and red LED lights when motion is detected
5. Perform a self-test function for 10 seconds to ensure normal working condition