Features: This PWM DC motor speed controller is suitable for DC 6-90V motors. Input protection: when input voltage is inverted, the device will not operate, helping to protect the speed control board and power source. Input DC 6-90V; this governor is designed for use with brushed motors only. DC governor with digital display showing output voltage, and includes a power switch. This PWM DC motor speed controller comes with a 20A ceramic fuse. Maximum current capacity is 15A; recommended usage within 10A. Power ratings at various voltages: 6V=60W, 12V=120W, 24V=240W, 36V=360W, 48V=480W, 60V=600W, 72V=720W, 90V=900W. Specifications: Compatibility: DC 6-90V (wide voltage range) Rated current: 8A Maximum current: 15A Power range: 0.01-1000W Speed range: 0-100% Frequency: 16 KHz Weight: 470g Package Included: 1 x DC Motor Speed Controller Note: Please note that the old and new versions of the product may be shipped randomly. Ensure you are comfortable with this before placing your order.