The YMER is a wireless follow focus made by the Swedish company Heden.

It has automatic or manual lens calibration, auto torque control, and an incredibly fast yet quiet motor. You can set marks to give you haptic feedback so you don't need to look constantly at the unit. The hand knob has adjustable fluid resistance (via an easy dial) and limit points. The manual override feature allows the camera operator to adjust focus on the fly without the need to remove the motor, and without damaging the unit.

The reliability and ease of use give the Preston FIZ and Arri SXU / WCU a run for the money, however the YMER has removed some of the info screens present in other systems in a way to be more budget friendly, and instead offers a strait forward approach to the need for wireless focus (or iris, or zoom) control.

Comes with 1 motor and 3 batteries.

Wireless monitors also available to fill all your wireless needs - Teradek 500, 3000XT, Bolt 703, Sony OLED 17", etc (not included)