2Pcs 1.8v 3v 5v 6v 7.2v 12v 2A 30W DC Motor Speed Controller Low Voltage PWM 1803BK 1803B Adjustable Control Switch

This brand new 1803BK DC motor speed controller allows the direction of a DC motor to be controlled using pulse width modulation (PWM) DC voltage with a fully adjusted work cycle between 0% and 100%.
With a 2A auto-recovery fuse and a Power-On LED indicator.
Item size: 2.4 x 1.1 x 1.8 inches; Net weight: 1.8 ounces
If the current is too large, it will be automatically disconnected and the fuse will be automatically recovered after cooling.
PWM DC motor speed controller with switching function.