model | size (length * width * height) | Input power | Output Current | effective Signal line | The output voltage | Controller selection |
| SWK-50W | 80mm*42mm*22mm | DC12V | 50mA | White line | DC 1-10.5V | DC speed control board, etc.: low-level high-speed (iron plate is not blocked), high-level low-speed to stop (the piece of iron covers part to all) works. |
| SWK-50G | green Line | DC10.5-1V | DC speed control board, inverter, etc.: high-level high-speed (iron sheet is not blocked), low-level low-speed to stop (the iron sheet covers part to all) working mode. |








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