Description: 【Size Information】Top Post Battery Disconnect Switch with Digital Voltage Display measures approx 10cmx6cmx4.8cm/3.94inchx2.36inchx1.89inch 【Digital Voltage Display】This high power battery disconnect switch features a built in digital voltage meter, allowing you to easily check the battery condition from 5V to 80V DC, ensuring optimal performance and maintenance 【Battery Protection】Designed to prevent battery drain caused by long term parking, aging vehicle wiring, or forgetting to turn off lights. This switch effectively protects and extends the life of your vehicle's battery 【Easy Installation】Simply disconnect the negative terminal of your battery, connect this switch in series, and attach the positive terminal of the switch to the positive terminal of your battery for hassle none setup 【Versatile Application】 Ideal for use in a wide range of vehicles and equipment including cars, boats, RVs, campers, travel trailers, trucks, ATVs, UTVs and other electrical devices requiring a reliable power cut off solution Package Includes: 1 High Power Battery Disconnect Switch Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.