... ; 3. Output interference is very small, the output voltage stability, better able to extend the life of an external electric; Product parameters ... Weight: 95g; 13. Power Surface Temperature: Temperature of 25 °C, the surface temperature> 50 °C. Fully loaded,> 60 °C, temperature 45 ... °C, full of aging, the surface temperature> 75 °C. 24W USA plug power supply