Feature: 1. Fast charging, safe and secure, high efficiency, low power consumption, high stability, over-voltage and over-current overload protection. 2. The output interference is very small and the output voltage is stable, and the service life can be better extended. 3. The housing is made of high temperature resistant flame retardant and environmentally friendly fireproof material, ultrasonic welding, safe and reliable. 4. The long tail is fine, durable and not easy to break, straight gaps with fine workmanship. 5. Rotate the button to adjust the voltage and can turn off the power, easier to use. Suitable for LED light and fan. Specification: Condition: 100% Brand New Item Type: Dimming Power Supply Material: ABS Input Voltage: 100-240V Output Voltage: 3-12V 3A Modulation Method: Pulse Width Modulation (PWM) Output Power: 9-36W Product Size: Approx. 9 x 5 x 3 cm / 3.5 x 2 x 1.2 in Weight: Approx. 157g / 5.5oz. Package List: 1 x Dimming Power Supply