Smart Alarm PIR with up to 80-meter open field Zigbee transmission (3.0) Requires smart alarm hub (L2H-SECUREGWAY). PIR Detection coverage: 8m/110 degree Battery powered (supplied) / Low power indication / Tamper protection. Can be used with other Link2Home devices including presence detection with lighting.PIR Range – 8M, Detection Angle – 110°, Transmission range – 80M. Features: TAMPER PROOF MOTION DETECTION: Triggers your alarm and notifies you immediately when motion is detected within the large, 8 meter, 110 degree range INSTANT NOTIFICATIONS: Get notifications to your Link2home app if movement is detected in your home while the alarm is armed. Also get the PIR to activate Link2Home lights for additional security and convenience EASY TO SET UP & INSTALL: Link to your Link2home Smart Home Alarm straight out of the box, allowing you to customise your system with 60 accessories; Easy to install on walls & in corners with no tools required EXTENSIVE 100 M WIRELESS ZIGB