Strobe Model i6T ex Power 600w M Mode (Power adjusting range) 1/1-1/128(+1/3EV) Support 1/8000s HSS TTL Mode (auto HSS) Exposure Compensation Compatible Camera of TTL Compatible Camera of HSS Auto identity Canon, Nikon and Sony cameras Aperture F (reflector) F45. 6 Flash Duration (t0.5) 450th - 18500 Wireless Remote receiver built-In Wireless signal receiving distance 50m ID Channel 9 Personnel ID setting 00-99 (100 in total) Sync-flash voltage DC5V Sync Methods Wireless Trigger, Photosensitive receiver, Sync Cable Colour Temperature 5500k Auto Colour Temperature correction system Yes LED modelling Light 1500LM, 4200k Modelling light modes 4 modes: F3-0 F3-1 F3-2 F3-3 Recycling mode (switchable) Ordinary mode Power extension mode All-optic recycling time Ordinary mode 0.2s-1s Power extension mode 0.3s-3s Recycling Notification tone Yes (on/off) Overheat protection Yes Dimension Length: 210mm Diameter: 100mm Net weight 1.4kg (battery not included) Battery Battery property Li-ion battery 2000mA (30Wh) Voltage 15.2 V Full power output flash times Approx. 400 Charging Time Approx 4 hours (Only with the original charger) Charger INPUT: 100-240V -50/60Hz Output: 16.8V 1.5A Overheat Protection Yes (80C) Size/Weight 80mm x 60mm / 0.4kg