4 CH MOSFET PLC Amplifier Board PWM DC 3-20V to 3.7-27V 10A Driver Module Optocoupler Isolation for LED Strip Lights Motor 4 CH MOSFET PLC Amplifier Board PWM DC 3-20V to 3.7-27V 10A Driver Module Optocoupler Isolation for LED Strip Lights Motor | 1005005398487414 Price: USD 1.57 – USD 2.61 – 57% off