Features: Brand new and high quality. Miniature brushless DC motor driver board with output end short-circuit protection; the short circuit will not burn the chip, allowing for free use. This driver board can drive miniature 3-wire or 4-wire Hall-less brushless motors, such as those found in hard drives and optical drives. The driver board features reverse voltage protection, overcurrent protection, and short-circuit protection, making it easy to wire and highly economical to use. Hard drive motors can be rotated with a voltage of 7-12V. Higher voltage results in faster speed, reaching approximately 10,000 RPM at maximum. After the brushless driver board experiences a short circuit or overcurrent, the power will shut off. At this point, the power to the driver board must be disconnected, and the cause of the overcurrent must be resolved before reconnecting power. The board operates normally when the power LED is lit. Specifications: Material: PCB Drive Voltage: DC 7-12V Working Current: ≤1.2A Speed Control Range: 0%-100% Phase Reverse Control: Yes Reverse Voltage Protection: Yes Overcurrent Protection: Yes Note: 1. Please allow for a 1-2 cm error due to manual measurement; ensure you don't mind before ordering. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package Includes: 1x Brushless Motor Driver Board