Brand: OLOONG - Model: SP660II - Color: Black - Type: On-camera single contact flashlight - Guide NO.: GN 50 (at 180mm focal length ISO 100) GN 35 (at 36mm focal length ISO 100) - Flash coverage: Manual zoom 24~180mm - Support Canon wireless TTL flash system (can receive 580EX II ST-E2 and Canon7D 60D 600D and other camera which have wireless flash control function's flash signal). - Support Nikon wireless TTL creative lighting system CLS (can receive SB-700/800/900 SU-800 and Nikon camera command signal). - Support S1 / S2 flash mode - Voice: Beep - Display type: LCD display & LED Backlit - Large LCD panel user interface with super firm metal hotshot stand. - Protection type: Thermal Cut-out - Power supply: 4 x AA size batteries(Alkaline & Ni-MH & Lithium) - Flash time: 1/800~1/20000s - Recycle time: Approx 2s(AA Ni-MH cell used); Approx 5s(AA alkaline cell used) - Color Temperature: 5600K - Flash control: 22 Level Light quantity output control(1/1~1/128 14 levels of fine tuning ) - Power Saving: Auto power off after 15minutes in stand-by mode. - Vertical rotation angle: -7'C~90'C - Horizontal rotation angle: 0'C~270'C - Packing List: - 1 x Speedlight - 1 x Stand - 1 x Chinese / English manual - 1 x Pouch