Multiple Flash Modes:Versatile M/S1/S2 modes and auto/manual zooming for diverse lighting scenarios. Long-lasting Performance:Up to 230 full power flashes with Ni-MH batteries, ensuring extended shooting sessions. GN60 High Guide Number:Powerful GN60 output ensures even illumination across a wide range of focal lengths. High-speed Sync (HSS):Achieve high-speed sync up to 1/8000s with compatible triggers for sharp, clear images.<br><br>SPECIFICATION: Guide No.(1/1 out@105mm): 36(m ISO 100) Flash Duration: 1/350 to 1/20000s Flash Coverage: 24-105mm, Auto Zoom/Manual Zoom Swinging/Tilting: 0 to 270° Horizontally and -7° to 90° Vertically Exposure control system: TTL Autoflash and Manual flash Flash exposure compensation(FEC): Manual, FEB:±3 stops in 1/3 stop increments(Manual FEC.) Sync mode: HSS 1/8000s, first-curtain sync, and second curtain sync Multi flash: Provided(up to 90 times,99Hz) Wireless flash function: Master, Slave, Off Controllable slave groups: 3(A,B and C) Transmission range: Less than 30m Channel: 16(1-16) Auto Focus Assit Beam Effective Range: Center 0.6-4m/Periphery: 0.6-2.5m Power Supply: Ni-MH batteries(recommended) or 2* LR6 Alkaline batteries Recycle time: Approx. 0.1-2.2s(enelo0p Ni-MH batteries) Full power flahes: Approx. 210(2500mA Ni-MH batteries) Colour:As Shown Material:ABS style:TT600 Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use<br><br>Package Contents: 1 * camera flash With accessories<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.