Made of flame-retardant, reinforced, and chemical-resistant engineering plastics, the medical disinfectant can be cleaned with peace of mind. Split joints, easy to make double joints or multiple joints. The internal use of KACON/OMRON micro switch, gold alloy contacts, to ensure that the waterproof, dust-proof, oil-proof grade reaches IP68, in line with the IEC/EN60529 standard, the upper part of the pedal is equipped with an embedded replaceable marking plate, and the mechanical life is 30 million times Above, the electrical life is more than 200,000 times.