DC 12V 24V Switching Power Supply AC190-240V Mute Lighting Transformers 60W 100W 200W 300W 400W LED Light Driver Power Adapter Specifications: Input Voltage: AC190V-240V Output Voltage: DC12V / 24V Power: 60W / 100W / 200W / 300W / 400W Material: Aluminium alloy case / Copper core substances Working Temperature: 0~40C Ambient Humidity: 0~95% Non-Condensation Core Advantages: 1, overvoltage, short circuit, excessive temperature, a number of protection 2, 90% conversion rate, low temperature, energy saving 3 quality IC, pure copper transformer 4 cooling fan, quiet paintings five price-effective, reliability with industry criteria