Feature: 1. The DC motor speed controller is specially designed to adjust and control the speed of DC motors. 2. The electronic speed control switch has low loss, exquisite appearance, large common rate, wide control range and high sensitivity. 3. Easy to use and operate, just connect the three wires to the corresponding positions to use. 4. Made of high quality plastic and brass material, stable and durable, can be used for a long time. 5. It is widely used in speed control of electromagnetic speed‑regulating motors, electrical equipment pipeline exhaust fan and so on. Specification: Condition:100% Brand New Item Type: DC Motor Speed Controller Material: Brass, PlasticModel: 1250B Uses: It can be widely used for speed control of electromagnetic speed-regulating motors, air-car fans, electrical equipment duct exhaust fans, electronic fan speed control, DC motor speed control, equipment cooling fans, electronic fans, brushed motors, etc. Working Voltage: 9-18V Input Voltage: 9-18 (V) Output Voltage: 12 (V) Control Power: 50W Adjustment Range: 10%-100% Maximum Current: 4A Speed Adjustment Range: 0-10000 (rpm) Rated Power: 0.05 (KW) . Package List: 1 x DC Motor Speed Controller