Fangrui Product Details 1. Dual Passive Infrared Detector, Frequency: 433mhz 2. The Product Is Wireless Curtain Pir Detector. It Adopts Advanced Technology In Signal Processing, Provided Super High Detection Ability. From The Design, It Is Can Guarantee The Stability Of The Product. When An Intrude Pass Through The Detected Area, It Will Detect The Movement And Send Out Alarm Signal To Alarm Host Automatically. The Product Is Suitable For The Safety Of Residential House, Villas, Factories, Markets, Warehouses, Office Building Etc. 3. Technical Specification: 4. Working Voltage: Dc 3v (2*aa Battery) 5. Static Current: <= 25ua 6. Alarm Current: <=10ma 7. Battery Life: 1 Year 8. Detecting Distance: Optional(2m, 4m, 9m) 9. Detecting Angle: 15 Degrees 10. Test Time: 30s 11. Alarm Indicator: Red Led 12. Low Battery Indicator: Yellow Led 13. Operating Temperature: -10 Degrees Celsius ~ +50 Degrees Celsius 14. Environment Humidity: <= Rh (no Cancelation) 15. Installation Height: 1.7 To 2.5m 16. Anti Rf Interference: 315mhz-433mhz 17. Radio Distance: 200m(open Area) 18. Outline Size: 110*69.5*40mm 19. Installation: 20. Avoid To Installation At Outdoor Area, Air-condition Nearby, Direct Sunshine, Heat Source And Under The Rotating Objects Should Be Avoided. 21. Surface Of Installation Should Be Firm With No Vibration. 22. Installing The Detector In The Place Where Intruder Pass Easily.