KERUI P819/P831 Mini Wireless Intelligent PIR Motion Sensor Alarm Detector for GSM PSTN Home Burglar Alarm Security Syst

Features 1 Automatic temperature compensation 0 12m detection range2 Advance optical and digital logics technology superior anti light and immunity to electromagnetic3 Interference High performance transmitter module farther4 Unique photosensitive cell to enable the probe with white light immunitySpecification KERUI P819 Frequency 433MhzBuilt in antennaDetection distance 0 12mDetection range 110 degreesOperating power 1 5V AAA battery 3pcs or DC5V Power supply and Battery not included Snap bracketSize 105 x 65 x 45mmKERUI P831 Frequency 433MhzDetection distance 0 8mDetection range 45 degreesOperating power DC5V or 1 pcs CR2450 battery Power supply and batteries are not included Magnetic swivel baseSize 55 x 32 x 30mmPackage included 1 3 x Wireless PIR detector battery not included