General description The wireless alarm system with motion detector and doorbell is designed for both home and store use. It features a communication range of up to 100 meters between the infrared sensor and the receiver, making it ideal for various entry points such as windows, doors, and garage doors. Technical specifications Communication range: up to 100 meters Sensor range: 3 to 7 meters vertically, 3 to 5 meters horizontally Receiver dimensions: 76 x 80 x 33 mm Sensor dimensions: 80 x 59 x 45 mm Power supply for sensor: 3 AAA batteries or USB 5V (not included) Power supply for receiver: DC 110V - 240V Volume control: 3 levels (loud, medium, silent) Alarm modes: 38 different ringtones with LED display Compatibility and accessories Includes: 2 sensors, 1 receiver, 1 mounting accessory kit