NEEWER Q4 400Ws 2.4G TTL Studio Flash (New Look),1​/​8000 HSS 2800mAh Battery Powered Outdoor Strobe Light Photography Monolight 30W Modeling Lamp​/​400 Full Power Flash​/​0.01-1.2s Recycling​/​Bowens Mount 【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 and Sony TTL automatic flash system, 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 Lithium Battery】Increased battery capacity provides 400 full power flashes, a recycling time of 0.01-1.2s and a flash duration of 1​/​209-1​/​10989s, perfect for capturing continuous action. Battery compartment for easy replacement of spare batteries. With a DC charging port, the flash can be powered via the included adapter and takes about 3.5 hours to fully charge 【Built in 2.4G Q system & Masking Function】Works with QPRO triggers (not included) which feature 5 groups (A​/​B​/​C​/​D​/​E) and 32 channels for easy connection and Q transmitters (not included), fully support TTL, and can be controlled from distances of up to 328'​/​100m. The extra masking function helps make the subject and background exposed separately, convenient for post keying. A 3.5mm jack can be used for other trigger methods via a 3.5mm sync cable (not included) 【Bowens Mount Attachment】 The widely used Bowens mount can connect the monolight to various light modifiers, such as reflectors, softboxes, snoots, and beauty dishes. The package includes 1 x Q4 Flash Strobe, 1 x Standard Reflector, 1 x Lithium Battery, 1 x Handle, 1 x Power Cord (US Plug), 1 x Power adapter, 1 x Carrying Case. Please note that you can only use the power adapter​/​cord included to charge the product