Description: High quality relays. 2 relays and 2 sockets. 12 Volt 40 amp 5-prong relays. Connectible interlocking sockets for a clean installation. Note: The RELAY 12A 40A 5PIN is Without wire. Specification: Current: 40A Pin: 5 pin(NO) Waterproof: Support Size: 40mm*40mm Quantity: 2 sets Package Includes: 2 Pieces Relays 2 Pieces Relay Holders with terminals Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you