Model: AD600 Pro Bowens Mount Wireless Slave Unit Mode: *Rdio transmission mode (compatible with Nikon & Canon,Sony,Olympus,Panasonic,Fujifilm ) Flash Mode: Wireless off:Slave unit of radio transmission/M/Multi:TTL/ M/Multi Guide No. (m ISO 100): 87 (m ISO 100, with high-efficiency standard reflector) Flash Duration: 1/220 to 1/10100 seconds POWER: 600W Power Output: 9 steps: 1/256~1/1 Stroboscopic Flash: Provided (up to 100 times, 100Hz) 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 Mask: Fan: Beeper: Modeling Lamp LED: 38W/4800K/TLIC:93 Optic Slave Flash: S1/S2 Flash Duration Indication: Display: Dot-matrix panel Wireless flash function: Slave, Off Controllable slave groups: 5 (A, B, C, D, and E) Transmission range (approx.): 100m Channels: 32 (1~32) Wireless ID: To avoid signal interference effectively, triggering can only be achieved when the channels and wireless IDs of the master and slave unit are set to the same. Power Supply: Lithium battery pack (28.8V/2600mAh) Full Power Flashes: 360 Recycle Time: Approx. 0.01-0.9s Battery Indicator: Power Indication: Power off automatically after approx. 30-120 minutes of idle operation. Sync Triggering Mode: 3.5mm sync line, Wireless control port Color Temperature: 5600200k Stable Color Temerature Mode: Changes within 75K in entire power range Dimension (with battery): 250*245*125mm (flash tube & reflector not included) Net Weight (with battery): 3Kg (flash tube & reflector not included) Package Listing: 1 * AD600Pro Flash 1 * Flash Tube 1 * Battery 1 * Battery Charger 1 * Power Cord 1 * AD-R9 Reflector 1 * Manual