Technical Data:    

• Wireless Slave Unit Mode: Radio transmission mode(compatible with Nikon & Canon & Sony)    
• Flash Mode: Wireless off(M/Multi),Slave unit of radio transmission(TTL/M/Multi)
• Compatible Cameras under Radio Transmission(as slave unit):Nikon cameras(X1N as master unit)/Canon EOS cameras(X1C as master unit)/Sony cameras(X1S as master unit)    
• Speedlite flash head:Guide No.(1/1 Output) 52(m ISO 100,@35mm)    
• Bare bulb flash head:Guide No.(1/1 Output) 60(m ISO 100,with the AD-S2 standard reflector,@28mm)    
• Speedlite flash head:Flash Duration t0.1(approx.) 1/220 to 1/13000 seconds    
• Bare buld flash head:Flash Duration t0.1(approx.) 1/220 to 1/13000 seconds    
• Power: 200W    
• Power Output: 8 steps:1/128~1/1    
• Stroboscopic Flash: Provided(up to 90 times,99Hz)    
• Flash Exposure Compensation(FEC): Manual.FEB:+/-3 stops in 1/3 stop increments.    
• Sync mode: High-speed sync(up to 1/8000 seconds),first-curtain sync,and second-curtain sync    
• Delay Flash: 0.01~30 seconds    
• Support Mask    
• Support Beeper    
• Support Modeling Lamp(LED)    
• Optic Slave Flash: S1/S2    
• Support Flash Duration Indication    
• Wireless flash function: Slave,Off    
• Controllable slave groups: 5(A,B,C,D,and E)    
• Transmission range(approx.): 100m    
• Channels: 32(1~32)        
• Power Supply: Lithium battery pack(14.4V/2900mAh)    
• Full Power Flashes: 500    
• Recycle Time: Approx 0.01~2.1s    
• Support Battery Indicator    
• Power Indication: Power hibemate automatically after approx.30 minutes of idle operation.
• Sync Triggering Mode: 3.5mm sync line,Wireless control port    
• Color Temperature: 5600+/-200k