Hahnel Viper TTL for Canon

Hahnel's Viper TTL Receiver and Transmitter allows users to remotely trigger their flash unit. Multiple receivers will work with a single transmitter, meaning you can trigger multiple flashes at once. The Viper TTL offers full wireless connectivity with the Hahnel MODUS 600RT Speedlight.

Price: £ 129.00 from Wex Photo Video