1、Silver Contacts: This power switch uses silver alloy with high conductivity and sensitivity as the contact, which has a higher melting point and higher hardness compared to copper contacts and is resistant to oxidation, avoiding contact with the product at high temperatures and gradually melting and deforming. 2、Finely Manufactured: This excavator relay is well made, with an integrated molding without burrs and a sleek surface. 3、Pure Copper Connection Foot: This excavator relay's pins are made of solid copper, which makes this relay's load higher and safer. 4、Flame Resistant Housing: The housing of this excavator relay is made of flame retardant material, which makes the relay work without warping its housing due to temperature and thus creating danger. 5、Wide Application: This relay is mainly used in industrial control and security fields, automotive electronics, such as cars, lights, motors, remote controls, wireless security alarms, wireless access control alarms, wireless controllers, etc. Item Type: Excavator Relay Material: Silver Alloy, Brass Rated Current: 300A Coil Power: 8W Single Remote Control Battery: CR2016 x 2 (150mah) ( Shipped With Built In Battery ) Widely used in ATV, off road vehicles, multi purpose vehicles, snowmobiles and lawn mowers, garden tractors electrical and electric, etc. 1 x Large Relay 1 x Remote Controller 1 x Manual 2 x Wire 4 x Terminal 2 x Rubber Sleeve 1 x Small Relay