Heavy Duty Normally Open-Single Circuit 4 PSI Pressure Switch Features: Ground - Floating Connection - # 8-32 Voltage - 6-24V Circuit - Normally Open - Single Contacts - Silver Alloy Max. Pressure Range - 4 PSI Terminals - 2 *Sold as an IndividualWARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Color: Silver Box Dimensions: 1"H x 5"W x 8"L WT: 0.3 lbs UPC: 754059008110