Super Bright LED Lights: The touch sensor lights are stick-on 4 white LED touch faucet lights with an output of up to 80 lumens, bright enough to make sure you don't trip over in the dark. Magical energy saving and environmental protection ensure a long lifespan for your lights. Touch Sensing Closet Light: Turn On - Just touch the two metal pins on the front of the LED light panel with your finger. To close, touch 2 pins again. (Two contact points are easier to use). Battery Powered: The touch light is powered by 3 AAA batteries (not included) to provide you with lighting in areas with limited or no power. (Tips: 1. Please use a safe and reliable battery to prevent damage caused by the leakage of the photocell. 2. If the battery is not fully charged, the lighting time and brightness will be affected.). Easy Installation: Removable back with 3M sticky pad. After installing 3 AAA batteries (not included), peel off the sturdy 3M sticker on the back and stick it on kitchen cabinets, wardrobes, bathrooms, dressers, stairs, garages, shelf areas, etc. (Note: Do not change the light from one place to another Another place, otherwise it loses its stickiness.)