Yongnuo 135 DSLR Camera Video Camcorder Hot Shoe Light Lighting Panel ePhotoINC YN135 135 pcs high brightness 135 LED 5500K The max. lighting distance can reach 5m Dimmable and stackable design Use: 6 AA Battery or NB3L Rechargeble battery with the USB Cable Hot Shoe Mount design Brand New ( BATTERY NOT INCLUDED)