Specifications:Brand: GodoxModel: AD200ProPlug Type: UK plugWireless Slave Unit Mode: Radio transmission mode (compatible with Nikon/Canon/Sony/Fujifilm/Olympus/Panasonic/Pentax)Flash Mode: Wireless off: M/Multi; Slave unit of radio transmission: TTL/M/MultiCompatible Camera Under Radio Transmission (as slave unit): Compatible with Nikon cameras (X1T-N as master unit); Compatible with Canon EOS cameras (X1T-C as master unit); Compatible with Sony cameras (X1T-S as master unit); Compatible with Fujifilm cameras (X1T-F as master unit); Compatible with Olympus cameras (X1T-O as master unit)Guide No. (1/1 output): Speedlite flash head: 52(m ISO 100, at 35mm); Bare bulb flash head: 60 (m ISO 100, with the AD-S2 standard reflector, at 28mm)Flash Duration (approx.): Speedlite flash head: 1/220 to 1/15380 seconds; Bare bulb flash head: 1/220 to 1/13510 secondsPower: 200WPower Output: 9 steps: 1/256~1/1Stroboscopic Flash: Provided (up to 90 times, 99Hz)Flash Exposure Compensation(FEC): Manual. FEB: ±3 stops in 1/3 stop incrementsSync Mode: High-speed sync (up to 1/8000 seconds), first curtain sync, and second curtain syncDelay Flash: 0.01~30 secondsMask: YesBeeper: YesModeling Lamp (LED): YesOptic Duration Indication: YesWireless Flash Function: Slave, OffControllable Slave Groups: 5 (A, B, C, D, and E)Transmission Range (approx.): 100mChannels: 32 (1~32)ID: 01-99Power Supply: WB29 Lithium battery pack (14.4V/2900mAh)Full Power Flashes: 500Recycle Time: Approx. 0.01~1.8sBattery Indicator: YesPower Indicator: Change within ±100K over the entire power range in color temperature modeSync Triggering Mode: Power standby automatically after approx. 30 minutes of idle operationColor Temperature: 3.5mm sync line, wireless control portStable Color Temperature: 5600±200K