Model:DY-702 Clamp&Stand, Clamp Thickness 60mm Power:3W, 20pcs Leds,Ring light guide design Color Temperature :5000-6000K LED Life Time:50000-100000Hours Built-in Battery:Lithium Polymer Battery 650 mAH 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 Charging Indication:Charing:Red, Full Charge: Green Color:White, 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 Switch : Elecctrodeless 3Gears adjustable brightness by touch. And General Switch*1pcs Unit Size:6.8*12.8*39mm ,Weight:195g