Realize the full potential of your Canon E-TTL / E-TTL II Speedlites with this Laso TTL Flash Trigger Transmitter from Phottix. Utilizing a 2.4 GHz radio frequency, this transmitter can control 5 groups of up to 15 RT-series flashes or TTL flashes with optional receivers from 328' away. It also has access to 15 channels to limit interference from other triggers and can use TTL, manual, and ratio control over the different flashes. Additionally, it is fully compatible with Speedlites that offer built-in slave radio triggering as well as unit that are connected to a Laso receiver.

A 3.5mm release terminal is available for triggering of remote camera setups when necessary, the system is also completely compatible with high speed sync and stroboscopic flash modes. All of these settings are easily viewing and modified using the LCD screen on the top of the unit and the front has an AF assist beam for low-light shooting. On top of this, 8 custom and 4 personal functions are available to make the device fit your needs and it has a locking metal foot for secure mounting. And, it has a USB port for firmware updates and runs on 2 AA batteries.