Flash mode: Support Left-flash, right-flash, all-flash Function and video light. Half-flash makes shooting object look more dimensional.
Effective Flash range: 5 cm ~ 1.5 m
Colour temperature: 6800K
Use 4x AA batteries (not included)
External interface: hot-shoe
Adjustable Output Power: 1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128Adapter Ring Diameter: 40.5mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm (For the above lens only diameters. For other sizes must be combined with step-up/down rings.)