Product Description Model：RING72 Output Power：8W Brightness Control：Separate control on the left / right half Dimming Range：10%-100% adjustment in 10 levels Power Supply：AA size large capacity alkaline battery or rechargeable Ni-MH battery (sold separately) 1.5V*4 pieces Lithium Battery 7.2V/2600mAh (sold separately) Color Temperature：5600K Number Of LED Lamp Beads：72 pcs TLCI：≥97 CRI：≥96 Volume：Ring Light: φ132*30 mm Controller: 84*71. 5*50.5 mm Net Weight：245g (ring light + controller) (Battery NOT Included) Package Including .