Features: Suitable for low amperage battery switch hole style. Isolation cover with buckle part can protect the rear contact. Anti-ignition, can be safely installed on gasoline-powered boats, the chassis design allows surface-, front panel or rear panel installation. The contact design before the break point can switch between battery packs without interrupting the power supply. 300A continuous rating-45% higher than standard switch, continuous rating: 300A, maximum voltage: 48VDC, with luminous- label. Specifications: Material: palstics+brass Size: approx 7.2x7.2cm/3x3-inch Voltage: 12V-48V Current: 300A Type: single circuit ON-OFF Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xBattery Isolator Switch