... forFOR CANON:1D/1DS/E0S5D/40D/30D/20D/10D1.Types of control:Frequency 433MHz,four ... battery,just use it like wired shutter release controller to focusing,shutter and B mode.4.The transmitter ... micro electron anti-jamming technology and the shutter timing control system,and support many kinds ... separately,and supports 15 groups to corresspond with remote control combination,and has the really good ...