Features: 100% brand new and high quality. Auto power on at 70 PSI. Auto power off at 100 PSI. Specially used for automobile suspension system, tractors, air pump, air compressor, etc. Made of high quality materials, stable performance and . Easy to install and use. Specification: Pressure range: 70-100 PSI Voltage: 110-220VAC, 6-36VDC Switch form: NO, NC Thread size: 1/8-28BSPT Package list: 1 * Pressure Control Switch Note: Default ON Switch (connected inside). It's not power plug. Don't plug directly into power socket.