High Quality!! 100% Brand New!!Introduction:It is a lightweight, compact and durable flash with complete function. Design for shooting studio portrait and e-commerce product. This product is suitable for head shot, waist shoot, and certificate photography, as well as, product shooting etc. It can also offer high light, background light, or hair light in large studios and workshops. Features:Precise output displayed on LED panel, 20 steps from to 3.0 in 0.1 increments Wireless control port and flash triggering system150W modeling lamp adjusts in 9 power levels Outstanding output stability, no more than 2%shifts when under the same output Anti-preflash function enables synchronization with cameras that have a one-preflash firing system Auto memory and recovery of adjusted panel settingsSpecification:Model: E-300Max Power (WS): 300WsGuide No. (m ISO 100): 58Color Temperature: 5600±200KOperating Voltage: AC100-120V/60HZ Or AC200-240V/50HZPower Output Control: OFF, 5.0-7.0 1/16-1/1Modeling Lamp Level: 9 Levels Modeling Lamp (W): 150WRecycle Time: 0.4-2.5STriggering Mode: Sync cord, Test button, Slave triggering, Wireless control portFlash Duration: 1/2000 to 1/800 secondFuse: 5ADimension: Length: 21cm; Width: 11cm; High(without handle): 11cm; Cable Length: 488cm; Flash Diameter: 9.5cmDimension(with original box): 24.5*18*13cmWeight: 1757gOperation:Attach the flash units on an appropriate light stand. Adjust the mounting bracket for a good angle and make sure it is tightened and fixed. Use the direction adjusting handle to adjust the flash to a desired direction. Umbrella input is for different photo umbrellas to put in.