Hahnel Viper TTL Wireless Flash Trigger - Nikon

The technical details behind this trigger
Conveniently control your flash remotely with the Hahnel Viper TTL Wireless Flash Trigger - Nikon. This wireless trigger utilises Digital Channel Matching that enables connection to up three groups, where a flash output can be adjusted for better lighting control. It also features a backlit LCD display that indicates lighting data. Moreover, it has also a manual mode for easier setting. Its receiver has 2.5mm for connection. This trigger can be powered with AA batteries or via the mini-USB ports. It operates within 100-metre range and with a 2.4GHz.
Key Features

Control up to three groups of flash guns
LCD screen
TTL Pass Through
Over 100m range
Top three reasons we think you will love this trigger

Compatible with original speedlights
Easy to adjust modes
Allows firmware upgrade
Includes

Hahnel Viper Wireless Flash Trigger Set for Nikon Cameras
Transmitter
Viper Wireless Flash Receiver for Nikon Flashes
2 x AA Batteries