General description The wireless passage alarm/shop bell system features a motion/access detector, making it an ideal solution for enhancing security at your home or business. With a communication range of up to 100 meters, this system is equipped with 38 different ringtones to welcome your guests. It includes a receiver and two sensors, providing versatile placement options for 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 5V USB power adapter (not included) Power supply for receiver: DC 110V - 240V Compatibility and accessories Includes 2 sensors and 1 receiver Mounting accessory kit Instruction manual