ST-EX-RT

Flash Trigger: ST-EX-RT

1. 2.4G wireless remote control system
2. Transmission distance:100M
3. Shutter port:2.5M
4. Battery:AA*2
5. Wireless flash shooting time: about 10 hours
6. Basic function: E-TTL,High synchronization,Gr,MULTI etc.
7. Works with Canon EOS cameras.
8. Measure: 77.4*67.4*61.5mm
9. Weight: 110g