With a high guide number of GN58, Andoer AD-980II really performs well. High speed sync is up to 1/8000s, enough to capture the amazing moment. It also can be used as a master or slave unit, Features: Designed for Nikon DSLR cameras, such as for Nikon D7200 D7100 D7000 D5200 D5100 D5000 D3000 D3100 D3200 D3300 etc. Multiple shooting modes: i-TTL/M/Multi/Slave C/Slave N/S1/S2 modes. Powerful flash with high guide number of GN58.(ISO 100, 180mm). Can be used as a master or slave unit. Support high-speed sync up to 1/8000s, enough to capture a amazing moment. Fast recycle time is up to 2.9s. Support auto/manual zooming, covers a focal length range from 18mm to 180mm. Support sound prompt, rear-curtain sync, power saving mode, over-heat protection etc. Support 4 channels in 3 groups. 1/128-1/1 output control, 22 levels of fine tuning Support high speed continuous shooting: in 1/16 brightness or below, it can support 12 shots a second. Specifications: Circuit Design: IGBT Guide Number: GN58(ISO 100, 180mm) Flash Coverage: Manual/Auto 18-180mm(18mm,24mm,28mm,35mm,50mm,70mm,85mm,105mm,135mm,180mm) Flash Mode: i-TTL/M/Multi/Slave C/Slave N/S1/S2 Vertical rotation angle: -7-90 degrees Horizontal rotation angle: 0-360 degrees Transmission Range: Indoors 20-30m / Outdoors 10-15m Flash Time: 1/200s-1/20000s Flash Control: 1/128-1/1 output control, 22 levels of fine tuning External Interface: Hot-shoe / PC port / External Power Port Recycle Time: Up to 2.9s Battery Supply: 4 * AA(Not included) Lighting Time: 100-1500 times Additional Functions: sound prompt, rear-curtain sync, power saving mode, over-heat protection ect. Item Size: 19.5 * 7.7 * 5cm / 7.7 * 3.0 * 2.0in Item Weight: 404g / 14.3oz Package Size: 22.5 * 10 * 8cm / 8.6 * 3.9 * 3.1in Package Weight: 592g / 20.9oz Note: The battery is not included. You can't directly set the high speed sync and rear-curtain sync on the speedlite, you need to set the camera menu to "FP" automatically open, and there is no display(High speed sync and rear-curtain sync) on the speedlte.