Best Personal Design Mini USB Smart Night Light Square Lamp - Single Light-dry Battery Type Do you get tired of the bright and glaring bedroom before going to sleep? Are you looking for a good night lamp that won't ruin your sleep? Here comes the best personal design USB mini smart night light square lamp – dry battery type. This night light is suitable for indoor use. It is small in size and space-saving. The crystalline texture of the square lamp gives you a feeling of warm and sweet. Also, it comes with a low profile that can be easily carried around without occupying too much space. The USB mini smart square lamp works with a dry battery type, so it can be used anytime and anywhere you want. Plus, it has adjustable modes, including warm white, natural white and cool white light, allowing you to choose the most comfortable one to fit the atmosphere of your bedroom. Furthermore, it has an integrated sensor designed to sense darkness and will automatically turn itself on and off with little manual interference, saving much lighting energy for you. The lamp's design makes it a great addition for bedrooms, study rooms, offices, and other places you need it. With this lamp, you will never feel troubled by the bright lights while sleeping and can always have a good sleep!