433mhz Wireless Motion Sensor Mini Pir Infrared Detector For Home Security. HIVA Wireless 433MHz EV1527 Mini PIR Motion Sensor Enhance Your Home Security with the HIVA Mini PIR Motion Sensor, Designed Specifically for Seamless Integration with Home Alarm Systems. This Motion Sensor Effectively Detects Movement Within a Range of 8 to 12 Meters, Ensuring Comprehensive Coverage. Operating on a 433MHz Frequency with EV1527 Encoding, the Sensor is Ideal for Open Spaces with Emission Distances Up to 80 Meters. For Optimal Performance, Install the Sensor at a Height Between 1.8 to 2.2 Meters. Please Note That This Infrared Detector Must Be Used in Conjunction with a Compatible Alarm Host That Supports the Specified Frequency and Encoding Method. The Sensor is Reliable Across a Wide Temperature Range, Operating Efficiently from -10℃ to 55℃. Features: - Detecting Distance: 8m ~ 12m - Emission Distance: ≥ 80m - Frequency: 433MHz - Encoding Method: EV1527 - Installation Height: 1.8 ~ 2.2m - Working Temperature: -10℃ ~ 55℃ - Certification: CE, RoHS Note: Pair This Sensor with a Compatible Alarm Host Meeting the Required Specifications for Wireless Frequency, Encoding Method, and Resistance..