NEEWER Q4 400Ws 2.4G TTL Studio Flash [New Look] 1/8000 HSS 2800mAh Battery Powe

IF Design Awarded 400Ws Outdoor Flash】Q4 400Ws battery powered strobe light boasts a compact rectangular design, measuring 7.28"x6.06"x8.35" and weighing just 4.94lb, suitable for both outdoor photography and studio setup. With its impressive GN72 with a high performance reflector (not included), 30W/5600K/CRI95+ LED modeling lamp, and convenient top handle, it caters to various shooting needs. Note: Do not trigger the flash without plugging in the flash tube, as it will damage the equipment.
【TTL/Manual/Multi Flash Modes】Compatible with Canon E-TTL II Nikon i-TTL Sony TTL, Q4 has three flash modes: TTL, Manual, and Multi (Stroboscopic). Fully Support Flash Exposure Compensation; 1/8000s High Speed Sync; Manual outputs the user's choice of power, modeling light, first/second curtain sync, etc. Multi controls the stroboscopic rate up to 100 times (199 Hz). Support S1, S2 mode, C.Fn custom setting, etc. Support USB Type C firmware upgrades
【21.6V/2800mAh Rechargeable Battery】
3811UL