[3 modes: ON/AUTO/OFF]: AUTO: With light sensor and motion sensor, this small night light can turn on automatically for 30 seconds when the light is weak enough and people or animals pass by . The detection range is 120°, 3 meters(10 feet). ON: always on OFF: always off 【USB rechargeable, energy saving and environmental protection】Built-in 500mAh lithium-ion battery, the night light can be fully charged after 2.5 hours (micro USB charging cable included). It can last 4 hours in permanent light mode and two months in automatic mode (depending on the frequency of use). Environmental protection and money saving, no need to waste a lot of batteries. [Easy to install and remove] Method 1️: Magnets, iron sheets and “3M” tapes are included in the package. Just stick the iron sheet anywhere you want, then stick the magnetic sheet on the lamp holder, you can easily install or remove the lamp from the cabinet. Method: There are hanging holes on the back of the lamp, which can be hung on screws