Check the listing for details. Nilight Socket 10 Pack SPDT Bosch Electrical 12V 30/40 Amp 5-Pin Relays Switch. Color: Black, Condition: New. Listed at 15.99 USD. Features: 5 Pin SPDT Bosch Style Electrical Relay40A/30A High Switching Capability. These relays have a universal application and can be used in automotive setups, car sound systems, security systems, and various other applications.Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87).These Relays are Interchangeable/Compatible with: All automobiles and devices equipped with a 12 Volt DC power source.Package include: 10 pack electrical relays. Specifications30/40 Amp High Switching CapabilityPin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87).Ambient Temperature: -40°C +125°C (no condensation)Electrical (at 900 ops./h): 100,000Excellent waterproof performancePackage include: 10 pack 5 Pin relay Wide ApplicationWide range of use, greatly used for car lights, fog lamps, wiper, starter, fans, speakers, traction control systems, etcProfessional ConstructionThis 5-prong relays are SPDT designed (single pole double throw), it's able to open or close a circuit, greatly used for car lights, fog lamps, wiper, starter, fans, speakers, traction control systems, etc. The clear mark on all terminal points makes it easy to install.High quality copper coilThe high quality coil is composed of a single strand or of many smaller strands and has good conductivity and can stand for extended wear.