Features: Highly Power MOSFET switching Module supports up to 100V/33A for precise regulation of motors, LEDs, and heavy duty devices through compatible microcontrollers. Features IRF540 Channel MOSFET for low resistance switching, optical isolation protections, and real time LED status monitoring in a compactly design. Ideal for electronics enthusiasts, robotics engineers, and DIY makers requiring reliable high current control in prototyping or automation projects. Perfect for intelligent home systems, industrial equipment testing, and educational STEM kit requiring PWM driven motor speed or light dimming functions. This MOSFET switching module combines industrial durability with plugs and play wiring terminals, ensuring safe integration into for Raspberry circuits and 12V 24V power systems. Specifications: Component:Plastic Size: Approx.47.9x30.4mm/1.88x1.2inch Option Type:1pc,3pcs; Working voltages: DC9-100V Maximums output current: 33A Isolation and protections Function: There is optical coupling isolation between the input terminals and the signal terminals Package Includes: Package A 1pc MOSFET switching Module Package B 3pc MOSFET switching Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.