

Introduction
Description
*Two double speed buttons+START button+ EMS button
*Control point up to 4
*With the battery voltage alarm device to cut off the circuit when voltage is insufficient.
*Set the internal functions by computer interface
*UP, DOWN push button can be set jump strokes, ordinary, interlock or not.
* The cable can be set aviation plug
| Model | Operation Button | Button Type | Transmitter | Receiver Emergency Stop |
| F21-2D | 2 | Double Speed | - | Mushroom |
| Transmitter Open Keys |
Receiver EMS | Receiver Control Points | Receiver interface |
| Start | Yes | 4 | Cable |