Power supply -1.2 (V)Wireless probe input methodInfrared alarm hostScope of application: shops, houses, warehouses, communities, buildings, garagesAmbient temperature -25 (℃)Ambient humidity ≤ 20 (%)Weight 0.15 (kg )Shell material: high quality ABSDetection range - 2-8 metersDetection range - 60 ° up and down, 110 ° left and rightPower supply mode - DC 5V, 3 AA batteries (this product does not contain batteries)Working time - standby on dry battery > 300 days (battery capacity > 500 mAh as an example)Waterproof level - not waterproof Note: The data is all manually measured, please allow an error of 1-3 cm, due to the difference in light and display, there may be certain color differences, the actual object received shall prevail.