Feature: 1. INTELLIGENT PROTECTION FUNCTION: Come with multiple intelligent protection, contain over voltage, overload, over current, short circuit protection 2. ALUMINUM ALLOY SHELL: Aluminum alloy shell is durable, resistant to oxidation, corrosion and rust, thickened and reinforced 3. SELF COOLING TYPE: Cellular hole heat dissipation, quiet and energy saving. The cooling fan type is self cooling 4. SUITABLE FOR HIGH END PLACES: Magnetic lamp switching power supply is suitable for high end places such as hotel lobbies, KTV, leisure centers, meeting rooms, etc. 5. SINGLE PHASE POWER SUPPLY: Modulation method adopts pulse width modulation(PWM), half bridge transistor connection, single phase power supply 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: AC180-250 (V) Working Frequency: 50/60 (Hz) Output Voltage: 48V 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. Package List: 1 x LED Switching Power Supply Note: The output parameter is 48V with different power, please check carefully before buying.Please note that the texture on the back of this product is sent randomly, please don't mind before ordering.