PDMovie Live Air 2S follow focus with single motor consists of a small, lightweight knob for controlling focus. The controller comes with a 1/4″ screw on which various accessories such as kits, grips, monitors and other equipment can be installed. The 75 mm knob has 7 holes for 1/4″ screws. The gear has a 0.5 Nm notch, while the standard size is 0.8Mod. In addition, 0.4/0.5/0.6Mod can be purchased to easily control conventional film lenses and SLR lenses. The controller uses a replacement LIR247 battery power supply, while the motor uses 2 Li-42B batteries. The universal focus ring is suitable for SLR lenses from 42 mm-82 mm. The PDMovie Live Air 2S has an always-on indicator light that shows whether it is connected and the battery remaining. Multiple functions can be performed, such as: automatic/manual lens-travel detection, calibrated-travel cancellation, shutdown and switching between lens control mode and electric/rotating mode. The APPREMOTE AIR supports Bluetooth to connect 6 motors simultaneously, and both focal length and aperture can be controlled. In combination with LIVE CAR and LIVE WHELL, it is possible to simultaneously control camera panning, left and right rotation and up and down tilt for synchronised multi-axis operation.