Alarm To Host GSM Receiving Frequency: 315MHz; Wireless Zones: 6; Wired Zones: 4; SMS Phone Numbers: 3; Alarm To User Phone Numbers:6; Local Alarm Sound Scale (dB/m): 110; Input Power Supply: 9V-12V; Battery Type: Charger Direct Built-in Li-Battery ;Dimensions (L x W x D mm): 168 x 118 x 27; Infrared Detector Specifications: Power Supply (V): 9; Detection Range (m): 12; View Angle (degree): 110; Unobstructed Effective Range (m): 300; Dimensions (L x W x D mm): 105 x 58 x 38; Door Detector Specifications: Power Supply (V): 12; Unobstructed Effective Range (m): 100; Mmagnetron Distance (mm): 15; Operating Temperature ('C): -10~40; Operating Humidity (RH): 90%; Dimensions (L x W x D mm): 69 x 35 x 15 Remote Controller Specifications: Power Requirements: (V) 12; Transmit Duration (s): 1; Unobstructed Effective Range (m): 80; Operating Temperature ('C): -10~40; Dimensions (L x W x D mm): 60 x 40 x 15