Uhomely Portable Motion Sensor Night Light can "Auto-on" within 10-15Ft in dark places, and auto off after 20s when no motion detected through the Pyroelectric Infrared ( PIR ) Sensor. Also can "On" to Solid mode for switchable according to your needs. It has a sticky back so can be placed anywhere. It is motion sensor so it will come on when you walk by it or open a closet door depending on where you put it. Motion Closet Light, With The Removable Hooks Design ( 1kg maximum weight ) for Hanging Towel / Clothes / Hat or any more. And it comes in super handy at night. No longer need to leave bathroom light on so it's saving me on electric bill.