Feature 1Excellent Function: Designed to safely disconnect the battery, isolate and secure the electrical system, and eliminate any power draw from the battery when vehicle or boat is not in use. 2Wide Application: Battery power off switch is widely used for car, RV, ATV and boat batteries, also works for electrical equipment, can stand alone or be locked together with other switch. 3Convenient Installation: The heavy duty battery cut off kill switch is designed with 2x10mm (3/8 inch) stud and four removable side plates which provide access of up to 1/0 cables. 4ABS Plastic Housing: The battery cut master switch is made of premium ABS plastic, highly meets ABYC requirements, and the rear cover insulates the rear terminals against any short circuits, safe in use. 5Professional Switch: The battery shutoff switch is engineered with On Off 2 positions, DC 12V48V rated voltage, 275A DC continuous rating current, 455A DC intermittent and 1250A DC cranking current.Item Type: Battery Power Master SwitchMaterial: ABSContinuous Rating Current: 275A DCIntermittent Rating Current: 455A DCCranking Rating Current: 1250A DCRated Voltage: 12V-48V DCOperation: On OffMounting Method: Flush Mount or Surface MountProduct Size: Approx. 69x69x75mm/2.7x2.7x3.0in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Battery Power Master Switch4 x Screw4 x Nut1 x Manual