Model:DY-8002 Pencil Vase LED Desk Light Power:5W, 20pcs Leds,Ring light guide design Color Temperature :5000-6000K LED Life Time:50000-100000Hours Built-in Battery:Lithium Polymer Battery 1200mAH 18650Li battery, 2000mAH/2500mAH customized offer Input:5V1A,Android System Connector mobile used, micro-plug with USB cable Full Charing Time:4-6hours Lighting Area:10-40 square meters Led Light Quality: High Brightness SMD Radiationless, No stroboflash , No glare Adjustable Light color:White, warm white ,warm Charging Indication:Charing:Red, Full Charge: Green Lighting Time:3-10hours Color:White,Green-blue, Yellow,Blue Base:ABS ; Head Holder: Silicone Hose Antiskid silicone base pad,Universal bending,High Quality Silicone Hose, Arbitrary bending rotation with 360degree , Mute, Strongflexibility, No Scald,Resist Compression Unbroken,No deformation Unit Size:8.5*8.5*47.5mm ,Weight:350g