Features: This 5A 4 wire brushless motor speed controller features wide voltages input from DC8-24V, ensuring compatibility for various power sources and stable 5A current output for efficient motor operate in diverse settings. With an integrated switching and speed control module, it simplifies wiring layouts and offer robust heat dissipation to handle high loads up to 5A, preventing overheating for reliability performances. Ideal for enthusiasts, industrial engineers, and hobbyists seeking precise speed regulation for brushless motors in projects like robotics or fan assemblies. Perfect for automotive systems, home appliances, server racks, and industrial equipment where consistent operate in high temperature environment is essential. Built with quality electronic components and a fire resistant casing, this speed controller ensures long term safety and durability, excelling in heat resistance and interferences for demanding applications. Specifications: Component: PCB + electronic components Size:Approx.41x32.8mm/1.61x1.29inch Process: PCB integration,speed control technology; Input voltages: DC8-24V Most current:5A(12V60W,24V120W) Option Type:1pc,3pcs,5pcs; Support 4wire speed regulation Note: Need to matching the motor power,Avoid short circuit,Ensures heat dissipation environment; Package Includes: Package A 1pc Speed Controller Module Package B 3pc Speed Controller Module Package C 5pc Speed Controller Module note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.