Product size: 9.2*9.2*2.3cm Batteries: 3 AAA alkaline batteries (not included) Input voltage 4.5V, rated power 1.5W Sensing distance: 0-5 meters, sensing angle 120 degrees Working environment temperature: -20 degrees Celsius to 40 degrees Celsius Working environment humidity: 5%-93% Light source: 10 pieces of 2835 SMD patch type 6000K positive white light or 3200K warm light LED lights Brightness: 60 lumens Assembly: each with a 3M sticker or iron sticker Instructions for use: 1: Intelligent light sensing, when the light is sufficient, no matter whether it enters the sensing area or not, it will not light up. 2: In places with insufficient light, when the human body enters the sensing area for activities, it will light up immediately. 3: When a person leaves the sensing area, the sensing light will automatically turn off in about 15 seconds. 4: If the person keeps moving in the sensing area, the light will always be on. 5: Please perform the test in a dark environment, and it will not light up in a bright environment. 6: Please do not install and use it in a humid environment, heating pipes, air-conditioning outlets and other humid and hot environments, which will cause abnormal work.