Specification: Rated Power: 120W Input: DC 12V 4 units switching: KPS/BAR/PSI/KGF Weight: 950g Size: 24*18*5.2cm Feature: Automatic stop and prevent over filling. Quick and easy to use. Powerful air compressor. Fits any air valve. Compact, lightweight design. Use on tires, toys, sports equipment, bike tires, air mattresses and more. It's a great little air pump and excellent for keeping the proper air pressure in your automobile tires.