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Quick Details Place of Origin: Guangdong, China (Mainland) Brand Name: other Usage: Auto Wireless frequency: 315MHz/ 433 MHz/868MHz (optional) work voltage: DC 9V Static current: 20uA Emission current: ≤25mA Detecting distance: 12m(wide angle) Emission distance: ≥120m (open area) Detecting angle: 110° Operating temperature: -10°C ~+50°C Product DescriptionWired Curtain PIR Motion Detector is a miniature infrared detector which provides for a very narrow curtain beam of protection ideal for establishing a protective security zone in front of valuable art objects or artifacts on display. The sensor constantly measures the ambient temperature of all objects pl