Use the light sensor to automatically turn on / off From dusk to dawn, this bedside lamp will automatically turn on at dusk, night or when there is insufficient light, so that you no longer need look for light switches at night, please make sure you don't trip over in the dark Battery powered These motion detector indicators are powered by 3 AAA batteries (not included). The smart sensor chip uses passive infrared technology with reliable performance and high sensitivity, which can recognize your movement. You will love this compact and beautifully designed bedside lamp. Easy to assemble and install anywhere The 3-piece adhesive pad can be pasted on any smooth surface and can be installed anywhere, providing a nice warm light to help you and your child to fall asleep without strain your eyesight. It is the ideal solution to eliminate fearful children. Energy-saving automatic lighting Using LED technology without bulbs, when the light sensor detects darkness, the motion sensor activates the lighting when it detects movement. Motion detection distance of 3m and the recognition angle of 120 automatically turn on the light, the lifespan is 50,000 hours, and the maximum power consumption at night is only 0.5W, which can help you save energy and money.