Brand: OLOONG - Model: SP690II - Quantity: 1 - Color: Black - Material: ABS / PC - Compatible camera brand: Canon - Compatible models: Canon - LED quantity: 1 - Color temperature: 5600K - Power supply: 4 x AA batteries (not included) - Working voltage: 6V - Power: 10W - 2.0" LCD display - Flash index: GN 50 (ISO 100 180mm focal length) - Compatible with stroboscopic flash - 22 level light quantity output control - Double overheating protection systems - TTL metering: E-TTL for Cannon; I-TTL for Nikon - Auto zoom: Focal length range from 24~180mm - For Nikon: Compatible with Nikon wireless CLS (master / slave mode) - For Canon: Compatible with Canon wireless lighting system (master / slave mode) - Support Canon as a master control unit usable instruction remote OLOOKG SP-660II / SP-690II Canon 580EXII / 320EX / 430EXII; As a subordinate unit can receive OLOONG SP-690II Canon 580EXII / ST-E2 and Canon 600D / 60D / 7D the command signal in the camera flash C - Back time: 5 seconds - Support electric zoom function the parameters of memory function - Packing list: - 1 x Speedlit - 1 x Base - 1 x Pouch - 1 x Chinese & English user manual