Kendrick DigiFire 7 Digital Controller with Digital 4 Channel Control, 6 Outputs 100% digital operation. No potentiometers or analog parts here and calling our controllers digital! 6 outputs, four programmable, two at 12 volts constant. Each programmable output may be programmed individually in duty cycle from 0 to 100% in 10% increments. Low voltage cut-off. Protect your battery from being to deeply discharged. Run 12 VDC accessories or heaters from the 2 dedicated 12 volt outputs. For example, run cooling fans, computerized setting circles, DewGuard secondary mirror heaters etc.