Color: Black - Circuit design: Insulated Gate Bipolar Transistor (IGBT) - Color temperature: 5500K - Guide number: 54 meters (ISO 100 105mm) - Flash time: 1/200s~1/20000s - Flash control: 8 grade high-speed control(1/128~1/1) - Vertical rotation angle: 0~90 degrees - Horizontal rotation angle: 0~360 degrees - External interfaces: hot shoe / PC / DC - Built-in wide panel & reflect board - Powered by 4 x AA alkaline/NI-MH batteries (not included) - Recycle time: approximately 3s - Lighting time: 100~1500 times - Wireless triggering distance: 20~30m indoor 10~15m outdoor - Additional function: PC synchronous sniff mode over-temperature protection - Accessories: - 1 x Mini Stand - 1 x Flash Diffuser - 1 x Carrying pouch - 1 x Chinese/English manual