Features Manual Adjusatable Pressure: Pressure range is between 135psi and 175 psi, maximum pressure is 175 psi Duralble to Use: heavy duty 26 amp pressure switch this is a brand new pressure switch 135-175 psi. four port ,High quality plastic material housing ensures durability and long service life Easy operation, convenient to use for air compressor Port Type: 4-Port 1/4-Inch NPT (Female) It is a great replacement for your broken or old ones Specifications: Type: Air pressure switch Max. Voltage: 240V Current: 26A Mechanical Life: 500million times Pressure: 135-175 psi Size: 8.5*9.5*8cm/3.3*3.7*3.1in Quantity: 1 Weight: 389g(approx.) Package Includes: 1 x Pressure Switch Note:  New-style and old-style are shipped randomly Package List