This motor speed controller is made of , which can withstand use. Features the PCB, aluminum alloy, iron and electronic components material, which has high durability, not easy to deform. Fine workmanship, practicality. Features -Color:Green -Material:PCB, aluminum alloy, iron, electronic components -Size:5.00X3.20X1.50cm/1.97X1.26X0.59in Input/output voltage: 2.4-12V Output : <2A Service life: 100000 times - This module is a PWM motor speed controller and has the function of switching. - The output voltage is 1.8V-12V, and the output is within 2A. - With a self-recovery fuse, it can automatically disconnect when the is too large, and the fuse will automatically recover after cooling. - Special attention: the motor regulator module is connected to a power supply, and the power supply voltage does not 12V, and it cannot be directly connected to a household 220V power, otherwise the module will be damaged - Characterized by a sturdy and reliable texture, not easy to break, serving you for a long time. Package list: 1 x Motor Speed Controller