Wireless PIR Detector Voltage: 9V Battery, low power indication; Automatically temperature compensation, anti-RFI & anti-EMI; Alarm Current: 32mA; Static Current: 50uA; Sending Frequence: 433M or 315MHz Detecting Angle: 110 degrees; Detecting distance: 9-12m; Sending Distance: 500m in open area; Anti-RFI & anti-EMI; Dimension( LWH) : 104* 62* 45mm