Feature:1. Auto Sensor: Using infrared sensor technology and automatic light detection technology, when a hand approaches the door lock, the LED light installed above the door lock automatically illuminates2. Delay Off: The lamp will light up when people come, and it will automatically shutdown after a delay of 5 seconds when people leave3. Long Service Life: Using high performance LR06 battery, it can work for more than 6 months(3-5 times/day), long service life4. Easy to Install: Double sided tape installation, no wiring, no need to knock on the wall to punch holes, convenient and fast, can be used in multiple scenarios, can be used for stairs, door locks, kitchens, makeup mirrors, etc.5. Easy to Use: No need to fumble in front of your door in the dark, enter your home with peace of mind. When you go out, you don't have to lock the door in the darkSpecification:Item Type: Keyhole LightWeight: Approx. 54g / 1.9ozProduct Size: Approx. 8.2 x 4.8 x 3cm / 3.23 x 1.89 x 1.18inInduction Mode: human body infrared sensorInduction Control: light sensor (working at night, standby during the day)Sensor Sensitivity angle: 60 degreesSensor Sensitive Distance: within 3 mApplicable Battery: one AA battery (battery not included)Number of LED: 4LED Life: 100,000 hoursDelay Time: when people come, the lights will turn on, after people leave, the lights will be delayed for 5 seconds to turn off automaticallyBattery Life: using high performance LR06 battery can work for more than 6 months (3-5 times / day).Package List:1 x Keyhole Light(battery not included)1 x Manual1 x Double Sided Tape