Wireless alarm, infrared alarm transmitter, motion sensor, waterproof door receiver for home security system

General Description This wireless alarm system is designed to keep your home safe. It uses an infrared sensor to detect movement and send a signal to the receiver, which then emits an audible chime to alert you to the arrival of visitors. This device is ideal for use at your front door or in businesses to welcome customers. Technical Specifications Item Type: Driveway Alarm Material: ABS Sensor Battery: 2 x AA batteries (not included) Receiver Battery: 1 x 9V (not included) Transmission Distance: Approx. 100m (in an open environment) Infrared Detection Distance: Approx. 3-7m Music Chimes: Classical Singles (for Elise) Installation Carefully open the front cover of the sensor, install one 9V battery, and turn on the switch on the internal circuit board. Remove the back cover of the receiver and install two AA batteries. Turn on the power switch on the side of the receiver. Install the sensor at the front door or wherever you want to detect movement. Adjust the receiver volume to your preference. Adjust the sensor angle for optimal detection. When the sensor detects movement within its detection zone, the receiver emits a soft chime and the red LED light illuminates. The device also performs a self-check every 10 seconds to ensure proper operation. Other information: Package includes: 1 x infrared transmitter, 1 x doorbell receiver, 1 x user manual, 2 x mounting accessories