Description: Durable and practical. Easy to install and disassemble. This can help save air compressor power The main role of the valve is to adjust the air compressor off and start pressure. Users can adjust according to their actual situation. The air regulator on both sides of the copper is an exhaust valve that opens when used. There is a red safety valve. Specification: Compressor pressure switch type: 2 phase, 1 port Material: Metal, Plastic The Max Voltage: 230V Max Current: 16amp Max Pressure: 125psi, 12bar size: Compressor pressure switch (L x W x H) 50 x 80 x 127mm / 1.97 x 3.15 x 5inch Air-conditioning (with safety values (L x W x H): 157 x 85 x 80mm / 6.18 x 3.35 x 3.15inch Pressure gauge: Dia 40mm / 1.57inch Package Includes: 2Pieces x Pressure Gauge 1Pieces x Compressor Pressure Switch 1Pieces x Air Conditioning (with safety value)