Check the listing for details. For PWM DC Motor Speed Controller Switch 30A 7-70V 12KHZ. Condition: New. Listed at 10.74 USD. Home Payment Shipping About us Contact us Details DC 7-70V 30A PWM HHO RC Brush Motor Speed Controller Governor Dimmer 12V 24V Features Wide voltage from DC 7V to 70V , large current 30 Maximum A switch with Run , Stop , Brake functions on the board Adjust speed by PWM , motor has no noise and shock Using high pressure MOS , There are three high voltage low resistance capacitors with 100V A high quality car fuse onboard This controller can be used for brush motor and fan such as: power wheels , trolling motor , spray motor ,LED strip...etc... Note: This controller is just for DC Brush motor , it can't be used for DC brushless motor and AC motor Parameter Input voltage: DC 7-70V (70v is the maximum voltage, please live a margin) Drive current: Maximum 30A (Please use within 30A) Controlling power: recommended within 12V 300W / 24V 400W / 48V 450W / 70V 500W Duty cycle range: 1%-100% PWM frequency: 12KHz Size: 85 * 59 * 34 mm / 3.34 * 2.32 * 1.33 inches Package Included: 1 * PWM DC Motor speed controller Payment Method Shipping Policy Returns Policy About us Contact us Payment Delivery Details Returns Policy [RETURN_POLICE] About US Contact US Home Payment Shipping About us Contact us