Keep your wardrobe and cupboards fresh and bright when you enter Built-in infrared sensor. The light turns on when activity is detected and turns off after 15 seconds of no activity. The built-in aromatherapy tablet is an easy one-step replacement. The 1500 mAh lithium battery provides about 90 days of battery life and it is USB-C rechargeable. It magnetically connects to the metal sheet with 3M adhesive. This is a convenient and portable light source for any space; easy to remove wand for hand-holding to use as a portable light source!