RK210PR is a Compact Detector which has been Designed Special for Residential Installation. Its Detective Range is 10M. It has True Temperature Compensation. Additional Feautres as the Strong Ability to Catch Signal, False & Lost Alarm is Very Low, Low Power Consumption and True Temperature Compensation. Equipped with Professional Pigmented Optical Lenses to Resist the Interference of White Light. High Technology, Smart Manufacture, Elegant Apprearance are all Shown in Our Products.     Main Features           ●   Coverage is 10M           ●   Dual Passive Infrared Detective Technology           ●   True Temperature Compensation           ●   Dual Polarity Pulse Count is Adjustable           ●   Resist Interference of white Light           ●   Power Consumption is Low           ●   Professional Optical Pigmented Lenses            ●   Installed on Wall, Ceiling or Corner Mounting           ●   Convenient for Installation           ●   Pulse Count is Selectable           ●   Resist Fluorescent Interference           ●   Memory and Form-C Relay           ●   Smart and Elegant Design is Ideal Selection for Residential Installations   Specification           ●   Working Voltage: 9-16VDC           ●   Working Current: 12mA           ●   Contact of Alarm: NC, 12VDC, 100mA max           ●   Contact of Tamper: NC, 12VDC, 100mA max           ●   Time to Alarm: 2.2s           ●   Time to Warm-up: 2 minutes           ●   RFI characteristic: 22V/m, 10Mhz ~ 1Ghz           ●   Working Temperature: -5ºC ~ 50ºC           ●   Storage Temperature: -20ºC ~ 55ºC           ●   Size: 89×52×39mm           ●   Height of Installation: 2.3M           ●   Suitable Swivel Bracket: RA93