Strong flow of compressed air, removes dust and other loose dirt. Not suitable for use on live equipment – risk of fire! For use on office and computer equipment, electromechanical devices, electrical units, electronic components, printed circuit boards, coin-operated mechanisms and precision instruments. Clean, dry and oil-free, leaves no residue. Safe for coating materials, plastic surfaces. From a distance of 5 cm, the air flow speed is 105 km/h.