DC 12V Adjustable 0%-100% PWM Fan Speed Controller

Feature Highlights: 1. Premium Materials, Reliable Quality – Made with high-quality components for lasting performance and durability. 2. Built-in On/Off Switch – Easily turn the controller on or off as needed. 3. Sleek & Compact Design – Neat and stylish look that fits well in any setup. 4. Simple Wiring, Easy Installation – Straightforward connection with no complicated steps. 5. Stable & Adjustable Performance – Provides consistent operation with smooth speed control. Product Details: This DC 12V PWM fan speed controller allows you to adjust fan speed from 0% to 100% with precision. It features a potentiometer for fine-tuning—turn counterclockwise to lower speed and clockwise to increase it. A separate trimmer on the board lets you set the starting speed. Compatible with standard 4-wire PWM fans (commonly used in PC cases and CPU cooling), it operates within 8–15V DC and supports fans drawing up to 3A. The board itself consumes less than 20mA when no fan is connected. If your fan’s speed responds opposite to the adjustment, a simple solder jumper setting (PF point) can reverse the PWM signal—just be sure to power off before modifying. Note: This controller is designed only for 4-wire PWM fans and does not support 2- or 3-wire fans. Specifications: - Working Voltage: DC 12V (operates within 8–15V range) - Fan Current: ≤3A (can be expanded via direct power wiring) - Board Power Consumption: <20mA (without fan) - PWM Signal: 5V, 25kHz - PWM Output Range: 0%–100% - Startup PWM Adjustment Range: 0%–60% - Output Connector: 2510-4P dislocation type, compatible with standard 2.54mm pitch fan headers - Color: As shown in images - Material: Plastic + Metal Package Includes: 4 × PWM Fan Speed Controller Modules Note: Slight color variations may occur due to lighting and screen differences. Measurements allow a tolerance of +/- 1–3cm.