【Powerful & Versatile TTL Camera Flashlight】 With a 76Ws high power, 5600K (±200K) stable color temperature, 1/8000s high speed sync, the NEEWER Z1-N Speedlight (US Plug) provides powerful and stable output. Support TTL/M/Multi flash modes, optical slave modes (S1/S2), first curtain/second curtain sync, flash exposure compensation (FEC), flash exposure bracketing (FEB), flash exposure lock (FEL) and more. The 2W LED modeling lamp with 10 adjustable brightness levels for more versatile uses | 【Built in 2.4G Wireless Q System】 With 4 groups (M/A/B/C), 32 channels (1-32), and 99 ID (1-99), compatible with QPro-N TTL transmitters (both not included). The flash can also be used as a Master/Slave flash to control other flashes with a transmission range of up to 328’/100m (no obstacles). The light illumination is uniform and the output is stable, which greatly expands your creative possibilities for flash photography. Also supports USB firmware update | 【High Capacity & Fast Recycling】 The 7.4V 2600mAh lithium battery (NB-Z1) provide 480 full power flashes, 1.5s fast recycling time and a flash duration from 1/180s and 1/20000s, perfect for capturing fast moving objects. Can also be powered via the included adapter and takes about 2 hours and 15 minutes to fully charge | 【Flexible Angles & Soft Light Effects】 The circular Fresnel head flash produces a more even light distribution from center to edge, with softer, more natural falloff at the edges and stunning lighting effect. Also adjustable from 0° to 330° horizontally and -7° to 120° vertically, with a 28 to 105mm flash zoom head that can be set automatically or manually for precise control of flash coverage | 【Wide Compatibility】 The flash is compatible with GM-M1, CRM2, AK-R1 kits, S2 type and CRB1 mounts (can be converted into the Bowens mount). Compatible with Nikon Z9 Z8 Zfc Z50 Z5 Z6 Z7 Z6II Z7II D4 D5 D6 D60 D70S D90 D100 D200 D300 D610 D700 D750 D780 D800 D850 D3100 D3200 D3300 D3400 D3500 D5000 D5100 D5200 D5300 D7100 D7500(NOT compatible with D810). Note: Firmware cannot be upgraded if incompatibility issue occurs. Please feel free to contact us to get support