Specifications:Energy consumption: 3WRated voltage: DC 12VDustproof Waterproof grade: IP44Features:Built- in human body passive infrared (PIR) motion sensor light, automatic turn on and shut off by human induction in the dark environment.A warm soft glow of light,where you need it, when you need it, with no distubing glare to wake others and no fumbing to find the light switch in the dark.Installed in few minutes with a few easy steps. Ready to attach with double adhesive tape.Easy Installation1.Clean the dust, Ensure the paste place under the bed frame is free from dust before installation to avoid falling off.2. Remove the 3M adhesive backing on the strip.3. Stick the bed light LED strips on the bed frame with the 3M adhesive tapes.Please Note:1.As the bed light is light sensation, so the led light will activated and light on in totally dark environment and will not work when it can sense light.2. Please make sure whether the input and output connecting in right insertion.3. if it don't work, you can try shake your hands in front of the sensor light to see if it work.