Universal Adjustable Power Supply: Our 12V DC power supply is a multifunctional product suitable for various small household electronic devices, including LED strips, under-cabinet lights, humidifiers, USB fans, and more. With an adjustable output voltage range from 3V to 12V and a maximum output current of 12A, it caters to a wide range of device requirements. Adjustable Output Voltage: This multi-voltage universal power supply features a unique design allowing users to adjust the output voltage between 3V 3.5V 4V 4.5V 5V 5.5V 6V 6.5V 7V 7.5V 8V 9V 10V 11V 12V. Power Max 144W;Compatible with devices with current below 12Asuch as 200mA,300mA, 500mA,1A,1.5A,2A,2.5A,3A,4A,5A,6A,7A,8A,9A,10A,11A,12A). The polarity of this adapter is: inside(+), outside(-). Safety and Stability: To ensure your devices' safety, the 12 Volt universal power supply incorporates multiple safety protections, including overvoltage, overcurrent, short circuit, over-temperature, and overload protec