1.Voltage Reducer: 2.12 V to 18V DC, voltage reducer;10-28V, voltage reducer 3.Micro-adjustment

Voltage reducer

Thumb wheel to adjust the step for the voltage: Two version:

1) 12 to 18V, can be 6 steps

2) 10-28V, 12 steps..

Voltage step is quite stable..

3) Micro-ajustment thumb control