BOJACK Low Voltage DC Motor Speed Controller PWM 1.8v 3v 5v 6v 12v 2A 30W Adjustable Driver Switch 1803BK 1803B (Pack of 2 Pcs)

Adjustable duty cycle: 0%-100% Maximum output power: 30W Maximum continuous output current: 2A Input voltage: DC 2.2V-15V; output voltage: 1.8V-15V Equipped with a 2A self-recovery fuse, which will automatically disconnect if the current is too large, and will automatically recover after the fuse cools down.