Users are able to use this unit as a single or dual axis system due to its modular design. The dual axis lens control allows you to focus and zoom with indoor transmission of 30m and outdoor of 200m. The zoom module has thumb rocker control with rosette for the option of mounting it to a tripod pan handle with a rosette clamp. The focus control unit is powered by Sony NP-F550/F570 batteries. The receiver modules are powered by PTap cable.