NEEWER Q4PRO 400Ws 2.4G TTL Outdoor Flash Strobe

Description Compact & Powerful 400Ws Output- NEEWER Q4PRO strobe light features a rounded square body and foldable easy carry handle. It delivers 400Ws strong output for outdoor portraits, commercial shoots, and multi light setups. Supports smartphone app control, firmware updates, and dual TFT color screens for intuitive group management Constant Color Temp & Precise Flash Control- Q4PRO offers 10 flash power output levels (1/512 to 1/1), adjustable in 0.1 stop increments. The 6000K color temperature and 30W modeling lamp with 10%-100% brightness control help preview lighting, assist focusing, and confirm setups TTL/Manual/Multi Flash Modes- Compatible with Canon E-TTL II Nikon i-TTL Sony TTL systems, Q4PRO as photography lighting accessories offers TTL, Manual, and Multi (Stroboscopic) modes. Supports Flash Exposure Compensation, 1/8000s High Speed Sync, first/second curtain sync, S1/S2 modes, C.Fn custom settings, high speed burst mode, and 0.01s-30s delay trigger. Multi mode supports up to 100 flashes (100 Hz) Expanded 2.4G Wireless Q System- When paired with NEEWER QZ series triggers (sold separately), Q4PRO wirelessly controls 5 groups, 32 channels, and 99 IDs up to 328ft/100m, and works as a master or slave unit for Q system flashes. RX COMPAT mode compatible with Godox 2.4G X transmitters. Compatible with the Sekonic L-858D light meter (RT-GX module). Note: Q and X systems cannot be used at the same time; update to the latest firmware for compatibility 2800mAh Battery & Freeze Mode- For fast moving objects, the strobe photo light features a short flash duration of 1/28570s in Freeze Mode (1/15625s in Flash Mode), ideal for motion, splashes, and high speed action. Includes a 21.6V 2800mAh lithium battery for 325 full power flashes, with a recycling time of 0.01-1s. Note: Fully charge before first use Specifications Model: Q4PRO Item Type: Strobe Flash Power: 400Ws Flash Duration: 1/188-1/15625s Recycling Time: Approx. 0.01-1.2s Power Output 9 steps: 1/512-1/1 Flash Modes: M/Multi (Wireless Off), TTL/M/MUTIL (Receiver unit of radio transmission) Optic Slave Flash: S1/S2 Delay Flash: 0.01-30s Stroboscopic Flash: Provided (up to 100 times, 199Hz) Sync Modes: HSS (up to 1/8000s), first/second curtain sync Full Power Flash: 325 Modelling Lamp (LED): 30W/5600K/CRI 95+ Color Temperature: 5600±200K Flash Exposure Compensation (FEC): Manual Flash Exposure Bracketing (FEB): +/-3 stops in 1/3 stops increments Wireless 2.4G Q System: 32 Channels, 5 Groups (A, B, C, D, E) 2.4G Transmission Range: 328'/100m Trigger Modes: 2.4G, S1/S2, 3.5mm Sync Cord, Flash Test Lead Rechargeable Li ion Battery: 21.6V/60.48Wh/2800mAh Masking Function: √ Built in Silent Fan: √ Built in Buzzer: √ Display Flash Duration: √ Battery Power Indication: √ Display: Dot Matrix Screen Strobe Size: 7.3" x 8.3" x 2.2"/ 18.5 x 21.2 x 5.5cm Weight (with battery, flash tube & reflector): 5.7 lb /2.58 kg Package Contents 1 x Q4PRO Strobe Flash (with Reflector) 1 x Lithium Battery 1 x Power Cord 1 x Power Adapter 1 x Lamp Tube 1 x Handle 1 x Carrying Bag