... advantage :high efficiency ,good quality,environmental design 2,we are factory ,so the product is ... circuit design; with overvoltage protection, overload protection; 2. Products beautiful, high-temperature flame-retardant shell by ... : 100V-240V 50/60Hz; 2. Input fluctuation range: 90V-264V, 47Hz-63Hz; 3. Output power: 12W; 4. Output error ... surface temperature> 75 °C. 24W USA plug power supply