Made of material, Constructed of strong and weather- Metal with a coat finish for durability. This winch magnetic contactor replacement features shatterproof seals and a housing. It is designed to handle 250 Amp intermittent current loads for up to 10 seconds with a 20-30 second cool down period between cycles, the wireless remote control kit 12V for winches up to 12000 lbs. Easy to install and use, portable. With the remote control, the operator can monitor the winch or hoist from different positions. Waterproof Receiver Waterproof design, the waterproof case can protect the receiver from rain or coffee spills, it is not recommended to immerse in water. Contact load: 250A 12V Contact switching current: 250A Contact switching voltage: 12V Coil power: 30w Application field: mechanical equipment Series: Set with cable Adaptation: 12000 lbs winch Quantity: 1pcs Color: As shown Material: Metal+Plastic Package Contents: 1 * electromagnetic relay Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.