Sleek design, easy to install. Movement detection, overlong standby. Use Pyroelectric Infrared Radial Sensor. Comes on automatically to illuminate the keyhole as you approach Making safe and convenient entry in your home. No more fumbling by your door in the dark, mountable light with built-in PIR sensor Perfect for placing at keyhole, kitchen, hallway, stairway, safe cabinet, etc. Influence Mode: Pyroelectric Infrared Radial Sensor Influence Control: Light sensor(only use in night, daytime cannot work) Sensor Sensitivity Angle: 60 angle Sensor Sensitivity Distance: 3m Power: 1.5V, 1PC AA Lr06 or Charge-battery (not included) LED: Super white LED LED Quantity: 4PCS LED life: 100000 Hours Delay Time: Light will delay 5 seconds turn off Standby Current: ＜0.35mA Battery Life: 3 months (3-5 times/ day) Operating Temperature: -5 Celsius - 38 Celsius Operating Humidity: 5% - 93% Dimension: Approx. 3.19*1.81*1.18 inch / 81*46*30 mm Package Includes: 1 x Auto PIR Keyhole Light 1 x Double-sided Adhesive 1 x User Manual Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.