Super material: It is made of electronic accessories element, inner conductor is pure copper. it is long lasting and convenient for you to use. Package including: 10 Pack of DC regulating Switch module. Wide voltage, perfect support for PWM. Easily realize the control of high-power equipment. Control Board specification: Adopt the dual MOS parallel active output, lower internal resistance, larger current and strong power, at room temperature 15A, 400W, which meets the use of most equipment. Working voltage is DC 5v-36v Trigger signal source: Digital high and low level (dc3.3v --20V), can connect microcontroller IO port, PLC interface, dc power supply, can connect signal, signal frequency 0--20KHZ perfect support. A wide range of applications: Can control high power devices, motors, light bulbs, LED lamp belt, dc motor, micro pump, solenoid valve, etc.