This control is designed for Scale Boats. It is rated at 30 amps at 14 volts, so it can handle our Astro 25 and 40 Ferrite marine motors. It can also be used with other ferrite marine motors. Voltage range 6 to 12 Volts Turn on Voltage 6 Volts BEC Cut off voltage 6 volts Number of Nicad or NIMH Cells 6 to 12 Cells Continuous Current Rating 30 Amps PWM rate 3 KC BEC rating 1 Amp at 5 Volts Length 2.5 inches Width 1 inch Height 1/4 inch Weight 40 grams Servo Connector Universal Power Cables 13 gage Power Connector Astro