CineGears Express Wireless Follow Focus System (Single Axis) Easy to set up: This intuitive system can be set up in 5 minutes High Torque Smooth Silent Motor: The powerful, smooth, and precise motor can drive the cine lens, Zeiss, Canon, and more. Strong Wireless Signal: The wireless communication is strong for up to 100 meters without delay, drops, or jamming. Battery: Lithium polymer batteries, over 20 hours Programmable with 4 adjustable digital presets