Input: 110V-220V 50/60Hz; Output: 5V DC up to 30 Amps Max; The output voltage can be regulated by ±10%, from 4.5V to 5.5V, Works with device that draws less than 30A, such as DC5V1A~30A. The default input voltage is 220V, 110V/220V must be selected by switch before using to avoid damaging. Please replace the switch with the voltage appropriate for your project. High-quality raw materials, porous metal shell, good heat dissipation performance, small size, strong performance stability, only support indoor use. Make sure your device match the 5V voltage and wattage less than 150W. Please don’t run it overload .The max use should be no more than 80% of the full loads,otherwise, It‘s cause the power supply to overheat,the service life of the power supply will be greatly shortened.We recommend you to use this 5V30A 150W power supply to power devices less than 120W. Safety features: Automatic overload cut-off, over Voltage cut-off, automatic thermal cut-off, short circuit protection. Enough 150W output power and 5V stable output voltage will protect your electronic products from destruction. It is perfect for all 5V projects, such as WS2812B / WS2812B ECO / WS2811 / SK6812RGB / SK6812RGBW / WS2813 / SK9822 LED Strip / LED Pixel LED Matrix / LED String / LED fairy string / LED Matrix / CCTV Camera / Security System / Computer Project, etc. It is only suitable for indoor use. It is very convenient to use it to adjust the output after connecting the power cord. Please note: The power cord is not included in the package of this product. If you need a power cord, please search on Amazon: 3 Prong AC power cord. All of our products are covered by a one-year warranty. Experience reliable power delivery with our robust BTF-LIGHTING AC100-240V to DC5V30A Max150W Switching Power Supply. This versatile adapter offers an input range of 110V-220V 50/60Hz, providing a stable 5V DC output up to 30 Amps, perfect for powering various devices like LED strips, CCTV cameras, and security systems. Its compact size and high-quality aluminum shell ensure excellent heat dissipation and durability, making it ideal for indoor use. Safety features include automatic overload, overvoltage, and thermal cut-offs, along with short circuit protection. With a maximum power rating of 150W and a one-year warranty, this power supply ensures the longevity and protection of your connected devices.