• 2.4 GHz Frequency
    • Range: 328'
    • 2.5mm Port
    • Mini-USB Port for Connection & Updates
    • Runs on 2 AA Batteries or External Power
    • For Canon cameras / flash guns & compatible models
    • ISM 2.4GHz digital transmission (more than 100M)
    • Digital Channel Matching provides reliable connections, eliminating the risk of interference from other wireless products within range
    • LCD Display, backlit, indicating groups A, B & C on/off and flash power output settings
    • Each group can be turned on/off or flash power output adjusted with individual control button on the Viper transmitter
    • Viper Receiver has a 2.5mm socket and a Mini USB socket to connect to studio lights
    • Mini USB socket - For software upgrade or external 5V power supply
    • Powered by the most convenient power source
    • 2 x AA batteries (each on transmitter and receiver) for approx 120Hr
    • Compatible with Canon E-TTL / E-TTL II
    • 2.4 GHz Frequency
    • Mini USB socket - For software upgrade or additional external power
    • Powered by 2 x AA batteries