REES52 AC/DC Adapter 12V/1A for Power Supply in Small Robot and Other DIY KIT AC input voltage [VAC] 100-240 (50-60 Hz) DC output voltage [VDC] 12 Max. Output current [A] 1 over-current protection yes over-voltage protection yes short-circuit protection yes efficiency >75 percent. Operating temperature [degree Celsius] 0 +40. Dimensions [mm] 75 x 29 x 42. Weight [kg] 0.2.