Auto On/Off Function! This cabinet light is as automatic as a motion sensor light. Automatic opening/closing hinge LED light: When you open your cabinet, the bright white light will turn on, you don't need to buy a flashlight when you find something in the cabinet. When closing the cabinet, the light goes out. Can be used at home, kitchen, office or hotel, perfect for hinged cabinet, cupboard, cupboard or wardrobe . Easy to install and convenient to use. No wireless battery and 3 LED power cord, brighter than an ordinary light bulb. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.