1、MULTIPLE INTELLIGENT PROTECTION: Provide multiple intelligent protection, contain over voltage, overload, over current, short circuit protection 2、DURABLE ALUMINUM ALLOY SHELL: Aluminum alloy shell is durable, resistant to oxidation, corrosion and rust, thickened and reinforced 3、QUIET AND ENERGY SAVING: Cellular hole heat dissipation, quiet and energy saving. The cooling fan type is self cooling 4、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、PULSE WIDTH MODULATION: Modulation method adopts pulse width modulation(PWM), half bridge transistor connection, single phase power supply 1 x LED Switching Power Supply Item Type: LED Switching Power SupplyType: AC or DC power supplyModulation Method: Pulse width modulation (PWM) typeTransistor Connection Mode: Half bridgeInput Voltage: AC175-250 (V)Working Frequency: 50/60 (Hz)Output Power: 200 (W)Work Efficiency: 90 (%)Output Ripple Noise: 50-60Output Voltage Accuracy: ± 0.5 (%)Voltage Adjustment Rate: ±1 (%)Load Regulation Rate: 2 (%)Working Temperature: -40~+70 (℃)Power Phase Number: Single phaseInstallation Method: Screw fixedCooling Fan Type: Self cooling typeSize: Approx. 195 x 49 x 29mm / 7.68 x 1.93 x 1.14in