PWM DC motor speed regulator, with switch function Output voltage range CD2.2V-12V available, applicable current within 2A Equipped with self-recovery fuse, automatically disconnected when current is too high, and automatically restored after cooling Product Name: DC motor speed regulator 1803BK module Product Model:FC2541 Supply voltage:DC 2.2-12V Output voltage:1.8-12V adjustable (depending on the supply voltage) Output current: Less than 2A Operating temperature:-10 to and70 Service life:100,000 times or 100,000 hours of connection Product size: 32x32x12mm Colour: Material:PCB Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 x PWM Motor Speed Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.