Orion Retro Led Lamps are Made for Home With high Quality Plastic and Great Look it has inbuilt rechargeable Battery has comes with Adaptor for Charge it also it can be charge by Mobile Charger also come in 4 attractive Colours ....PARAMETER OF THE INTERPRETATION 3 LED lamp beads, 0.4 W with 400 mAH Rechargeable Battery, DC 5V 500mA Rated current made with ABS + acrylic (excluding frangible member) Product size is 72*72*204mm... Tips for use - Full two hours, the first charge, Please charge more power for 4 hours for ensure the normal function of cells "Accompany you to experience life together "