Happyskymall Marswell&reg; Ultra-compact High-Speed PWM LED Dimmer 3V - 35V 5A 90w Switching Frequency: 10K for DIY LED Panel Light LED Strip Light (3Pcs) mini dc motor speed controller. PWM LED Dimmer for DIY LED Panel Light LED Strip Light Output 2.0-2.5A, 24W-30W under 12V. Output 2.5-2.8A 60W-72W under 24V. Output 3A 90W under 35V. Wide voltage DC motor speed controller, PWM duty cycle: 1% -100%. By screwing the potentiometer, you can turn off power supply output. High voltage and high current resettable fuse, overcurrent automatic disconnection, power off for cooling for a few seconds fuses automatic recovery. Default disconnection of short circuit point. Please note: the operating voltage can be switched to 3-15v by bridging the connectors marked '3-15v' on the PCB. Package included : 3 x PWM Speed Dimmer Controller