1[Fully Enclosed Design] The power off switch adopts a fully enclosed design, which can prevent the circuit from being affected by dust and rain. 2[Prevent Over Discharge] Disconnect switch safely disconnects the battery when the vehicle is not in use, shuts down power during maintenance, and prevents over discharging the battery. 3[ABS Shell] The shell of the power off switch is made of ABS material, which has good corrosion resistance and can also be used in harsh weather conditions. 4[Red Copper Internal Stud] The inner stud of the power off switch is made of red copper, which has good conductivity and durability, and its bearing capacity is stronger and has a longer service life. 5[Wide Application] Common to RV, marine, car, boat, camper, truck, ATV, UTV batteries and other engine applications, the battery isolator switch makes it easy to turn the battery on and off. 1 x BatteryDisconnectSwitch4 x Bolt4 x Nut Item Type: Battery Disconnect SwitchMaterial: ABS, red copperWorking Voltage: DC 12-48VScope of Application: Car power main switch, yacht RV truck switchRatings: 275A DC continuous (1 hour), 455A DC intermittent (5 minutes), 1250A DC start (10 seconds)