Description Surface mount, install the circuit breaker on your boat or car, connect one end to the engine and the other end to your battery box. All the wires and circuit breakers can be assembled very easily. The circuit breaker can be manually disconnected, manually reset, very convenient, stops power surges from damaging your amps to protect your gear. Feature - Color: Black. - Material: PVC. - Size: 5.57 x 3.70 x 3.80cm/ 2.19 x 1.45 x 1.49 inch. - The product made from alloy material of good electrical conductivity. - The breaker protect electrical appliances from excessive current. - Switch type, easy to operate. Press once to disconnect, very convenient. - Simply push the red part back to reconnect. More safe for your car. - High production process, high temperature resistance, new and high quality! The product made from alloy material of good electrical conductivity. The breaker protect electrical appliances from excessive current. Switch type, easy to operate. Press once to disconnect, very convenient. Simply push the red part back to reconnect. More safe for your car. High production process, high temperature resistance, new and high quality!