Wireless and wired: Wirelessly trigger your cameras shutter, receiver can also be used as a wired shutter remote. Wired control and wireless remote control can be performed simultaneously to enable simultaneous operation of two camcorders. The transmitter needs to install 2 AAA (2 AAA not included in the package)
Easy and solid installation: Plug and play. The receiver and remote are factory paired. The zoom controller features a clamp and knob for attaching to the tripod's panhandle for your handy use while shooting. 2.4GH z digital radio technology, strong anti-interference, up to 50m (164 Ft) stable working distance