Hahnel Viper TTL Receiver for Sony

Hahnel's Viper TTL Receiver, coupled with the Viper Transmitter (not included) 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 Receiver offers full wireless connectivity with the Hahnel MODUS 600RT Speedlight.

Price: 69.00 from Wex Photo Video