90-110PSI 90-110PSI:Description:This pressure switch is designed for high pressure air systems. To turn on the compressor when the tank pressure is below 90 psi, and turn off the compressor when the air tank pressure reaches 110 psi, with a tolerance of 10%. For 12 power sources. With 1/8 inch male thread. For air, train, air compressor etc. Specification: Material: Metal: 12V Electric current: 3.5A Color: as picture Package include: 1 piece compressed air pressure switch Note: Please allow 0.5-1 inch difference due to manual measurement .(1 inch = 2.54cm) Please check the size and picture carefully before payment. Due to the difference between different monitors, the image may not reflect the actual color of the item. Please understand, thank you. 170-200PSI 170-200: Description: This pressure switch is designed for high pressure onboard air systems. Preset to turn on the compressor when the tank pressure is below 170 psi, and turn off the compressor when the air tank pressure reaches 200 psi, with 10% tolerance. For a 12 volt source. With 1/8 inch male thread and 1/4 inch electrical terminals. For air horns, train horns, air compressors, etc. Specification: Material: MetalVolt: 12V Electric current: 3.5A Color: As Picture Package Include: 1 Piece Compressed Air Horn Pressure Switch Note: Please allow 0.5-1 inch difference due to manual measurement. (1 inch = 2.54cm) Please check the size and picture carefully before payment. Due to Due to the difference between different monitors, the image may not reflect the actual color of the item. Please understand, thank you. 125-150PSI 120-150P: Description: Works on 12V DC compressors. Automatically controls the air compressor to regulate the pressure in the air tank. 1/4 male NPT thread, at 120PSI, OFF 150PSI. 20amp rated. Great for air horn suspension applications. Specification: Material: Aluminum Alloy Size: Approx. 5 x 3 x 3 cm / 2 x 1.2 x 1.2 Inch Package include: 1 piece air compressor with pressure cut-off 125-200PSI 125-200P: Description: Works on 12V DC compressors. Automatically controls the air compressor, to regulate the pressure in the air tank. 1/4 male NPT thread. 20amp rated. Great for air horn and air suspension. Specification: Material: Aluminum Alloy Size: Approx. 5 x 3 x 3 cm / 2 x 1.2 x 1.2 Inch Package include: 1 Piece Air Compressor with Disconnect pressure90-120PSI 90-120PSI: Description: Works on 12V DC compressors. Automatically controls the air compressor to regulate the pressure in the air tank. 1/4 male NPT thread. At 90PSI, OFF 120PSI. 20amp rated. Great for air horn and air suspension. Specification: Material: Aluminum Alloy Size: Approx. 5 x 3 x 3 cm / 2 x 1.2 x 1.2 Inch Package include: 1 piece air compressor with pressure cut-off 150-180PSI 150-180P: Description :Operates on 12V DC compressors.Automatically controls the air compressor to regulate the pressure in the air tank.1/4 male NPT thread.20amp rated.Great for air horn and air suspension.Specification:Material: aluminum alloy Size: approx. 5x3x3cm/2x1, 2 x 1.2 Inch Package include: 1 piece air compressor with pressure cut-off