The shell material is environmental-friendly material ensures the durability of the product. Can be used for years. The LED light is energy efficient and environmental friendly with high light transmittance lampshade, 5 brightness adjustable ,is bright and gentle, no irritation to human eyes. Easy installation, can be placed on the wall with double side tape, or attach it on any metal surface(only for USB charging light). Ideal for living room, bedroom,wardrobe lights, step light, rest room, kids room,office, reading room, or use as wardrobe light , corridor light etc. Especially ideal as holiday GIFT, birthday present, housewarming gift or simply as a personal treat. Specification: Lampshade material: PC Style Color: White Size: 41*42*130（mm） Packing size: 5*5*15cm Type:Plug and play; USB charging; Induction(USB charging) Gross weight: 100g;130g;140g Light source: LED Sensing distence:5m Sensing angle: 120 degree Power supply: Plug and play; Built-in lithium battery(USB charging) The package includes: 1 *desk lamp (no battery, no light source) notes: Only the main products are sold, and the rest are decorations rather than sales. Please understand that due to differences in lighting or computer monitors, I cannot guarantee that the photos and actual colors are 100% the same. Due to different measurement methods, there may be a deviation of 1-2cm. Applicable scene: living room, living room, bedroom, lobby, corridor, office, hotel, etc.