- 2.4GHz wireless channel.
- Within capacious areas, the remote control distance may reach to 100m.
- Supports RF-603, RF-602 triggers transceiver
- Up to 16 channels
- External power supply support
- 3 Second charging
- Saves Settings
- Metal hotshoe stand
Guide number of 58 (at 105mm) Power control down to 1/128 3 second recycle time at full power 16-channel radio receiver, compatible with RF-602, RF-603 Hotshoe, PC port and dual-mode optical slave (alternative options to radio triggering) Fresnel head zooms from 24mm to 105mm focal lengths, plus flip-down diffuser panel Stroboscopic “Multi” flash mode for creative effects External high voltage battery input socket, to speed up recycle times and increase endurance User-configurable ready beep