Product information: Light source type: LED Power supply: charging V: 5 W: 1.2 Switch type：button Light unit weight: 95 grams Product net weight: 105 grams (including USB cable and suction cup) The built-in 500MAH polymer lithium battery can support the first gear 1.2W LED lighting for 2.5 hours, the second gear 0.6W LED lamp bead for 5 hours, and the third gear 0.12W for 20 hours. A 0.25W solar charging board is fixed on the top of the lamp, which usually can fully charge the battery in 10 hours. The side of the lamp is equipped with a USB charging port and a USB charging cable. When it is cloudy, it can be charged by the mains in 1 hour and can be fully charged. Size information: Lamp specifications: In the folded state: Dimensions: length, width and height = 140*125*25MM In the stretched state: Dimensions: length, width and height = 140*125*100MM Packing list : Light*1 USB cable*1 Suction cup*1 Product picture: