Alarm To Host GSM Receiving Frequency 433MHz 315MHz Unobstructed Effective Range (m) 100 Local Alarm Sound Scale (dB/m) 110 Operating Temperature (°C) -15~55 Operating Humidity (RH) 90% Dimensions (L x W x D mm) 158 * 115 * 37 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 * 58 * 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 * 35 * 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 * 40 * 15