Features: Used for DC12 - 24V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle not in use, disconnects the battery safely; provide reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain. Durable ABS housing, rear cover insulates terminals against any short of circuits. Safety Protection:battery shut off switch can disconnects the battery safely, protect batteries from excessive drain when vehicle or boats not in use. Easy to install and simple to use. Battery isolator switch: universal used for Car, Caravans, Truck, Marine Boats, Campers, Travel Trailer, or any vehicle where battery cut-off switch required. Specifications: Material:Stainless Steel Max. Withstanding Current : 12V-24V 300A Size:Approx.68x41x51mm/2.68''x1.61''x2'' Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Battery Disconnect Switch