Sku: 48109 Product Description  * Very low voltage working make sure that high level of safety and no damage to camera.  * High-speed and synchronous for 1/200 second* Max. working distance: 30M (open area, without interference)* Operating frequency of transmitter:433MHZ* Support with Umbrella reflecter* 16 selected working channels* Transmitter is with changeable 23A battery * This transmitter is relatively small and unobtrusive comp…