Linkstyle Passive Infrared (PIR) Motion Sensor

This passive infrared (PIR) motion sensor detects any movement within its detection range, useful for triggering security alarms, lights, or doorbells. Requires Smart Security Gateway. Requires Smart Security Gateway Features Easy and Secure Mounting: base mounts to any dry, flat surface using included 3M adhesive without any screws or tools. Adjustable Angles: magnetic mounting interface makes sensor secure but freely adjustable in its base Augmented Accuracy: temperature compensation technology enables improved detection accuracy in hot environments Red Dot Award-Winning Design: sleek and minimalist form factor is sure to complement your home décor Specifications td {white-space:pre-wrap;border:1px solid #dee0e3;} --> Power Supply DC 3V CR2450 battery Detection Range 70°, 7m (~23ft) Operating Temperature -10°C~?55°C (14° F ~ 131°F) Operating Humidity ≦95%RH Communication Method Zigbee 3.0 Standby Time ~ 1 year (if triggered 30 times per day) Dimensions 40mm diameter x 48mm depth(1.57 in diameter x 1.89 in depth)