Multiple Flash Modes- NW635II-N Speedlite supports TTL, manual mode, optical slave S1/S2 mode, stroboscopic flash mode, flash exposure compensation, and other features. A high guide number GN58 (ISO 100, 180mm) allows lighting from a longer distance. A clear LCD screen displays all the information you need for precise flash settings Adjustable Flash Output- Flash output is adjustable from 1/1 to 1/128 for different ambient light conditions. 3.5s short recycle time and 1/300s–1/20000s flash duration let you capture every moment. Stable 5600K±200K daylight delivers a consistent color to all photoshoots Flexible Bounce Angles- Flash head can swivel up and down between -7° and 90° and rotate 270° to get natural photos with fewer shadows at multiple shooting angles. The diffusers and reflector help create more light effects Lightweight & Portable- Use 4 AA alkaline batteries (not included) or 4 nickel metal hydride batteries (not included) to power the flash. The flash is lightweight, so it can directly mount on the camera without weighing it down. A protective case stores and protects the flash during transport Compatible Models- Compatible with Nikon D4 D5 D6 D60 D70S D90 D100 D200 D300S D300 D500 D610 D700 D750 D780 D800 D810 D850 D3100 D3200 D3300 D3400 D3500 D5000 D5100 D5200 D5300 D5600 D7000 D7100 D7200 D7500 Z5 Z6 Z7 Z6II Z7II cameras(Note: not compatible with Z9 Z50)