Features Comprehensive Protection Features: Equipped with over voltage, overload, over current, and short circuit protection to ensure reliable and safe Aluminum Alloy Design: Constructed with a thickened and reinforced aluminum alloy shell, offering superior resistance to oxidation, , and Efficient Heat Dissipation: Features a cellular hole heat dissipation system that promotes quiet and energy efficiency while maintaining optimal performance Features: 1、OVER VOLTAGE, LOAD, CURRENT, SHORT CIRCUIT PROTECTION: Providing multiple intelligent protection, contain over voltage, overload, over current, short circuit protection 2、THICKENED AND REINFORCED ALUMINUM ALLOY SHELL: Aluminum alloy shell is , resistant to oxidation, and , thickened and reinforced 3、CELLULAR HOLE HEAT DISSIPATION: Adopt cellular hole heat dissipation, quiet and energy saving. The cooling fan type is self cooling 4、MAGNETIC LAMP SWITCHING POWER SUPPLY: Magnetic lamp switching power supply is suitable for high end places such as hotel lobbies, KTV, leisure centers, meeting rooms, etc. 5、PULSE WIDTH MODULATION: Modulation method adopts pulse width modulation(PWM), half bridge transistor connection, single phase power supply, very stable Specification: Item Type: LED Switching Power Supply Type: AC or DC power supply Modulation Method: Pulse width modulation (PWM) type Transistor Connection Mode: Half bridge Input Voltage: AC175-250 (V) Working Frequency: 50/60 (Hz) Output Power: 300 (W) Work Efficiency: 90 (%) Output Ripple Noise: 50-60 Output Voltage Accuracy: ±0.5 (%) Voltage Adjustment Rate: ±1 (%) Load Regulation Rate: 2 (%) Working Temperature: -40~+70 (℃) Power Phase Number: Single phase Installation Method: Screw fixed Cooling Fan Type: Self cooling type Size: Approx. 208 x 63 x 29mm / 8.2 x 2.5 x 1.1in Package List: 1 x LED Switching Power Supply Note: The output parameter is 300W with different voltage, please check carefully before buying. Package List 1 x LED Switching Power Supply