Features 1、Great for air horns, air suspension compressors, etc. 2、Stainless steel material housing ensures durability and long service life. 3、Preset to turn on the compressor when tank pressure is below 110 psi, and turn off the compressor when the air tank pressure reached 140 psi. 4、Precision manufacturing, this is a direct replacement part for your broken or old ones. 5、Automatically controls air compressor to regulate pressure in air tank. Specification Features: 1. Great for air horns, air suspension compressors, etc. 2. Stainless steel material housing ensures durability and long service life. 3. Preset to turn on the compressor when tank pressure is below 110 psi, and turn off the compressor when the air tank pressure reached 140 psi. 4. Precision manufacturing, this is a direct replacement part for your broken or old ones. 5. Automatically controls air compressor to regulate pressure in air tank. 6. Easy operation, convenient to install. Specification: Condition: 100% Brand New Material: Stainless Steel Color: As Pictures Shown Pressure: 110-140PSI Fitment: Universal Package List: 1 * Air Pressure Switch Package List