ITEM NAME:12V 24V For Marine Boat Vehicles Power Kill Switch Car Battery Cut Off Isolator Description Max. withstanding current of this battery switch: 24V 400A. The key can be taken down when there is no power connection. In this way, power supply will not be viciously switched on. Waterproof cover can better protect key hole. High quality for durable use with highly working performance. Item Type: Power Kill Switch Color: black+red. Material: Plastic &; Metal. Size: Approx. 5.5 * 5.5 * 7cm/ 2.2 * 2.2 * 2.8 inch (L*W*H). Round disk diameter: 57.5 mm. Round disk pitch: 37.5 mm. Feet Spacing: 35 mm. Height: 71 mm (no key). Overall height: 110 mm (with key). Packing list 1 * Car Battery Isolator Disconnect Cut OFF Power Kill Switch (Red Cover) Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement..1 Car Battery Isolator Disconnect Cut OFF Power Kill Switch (Red Cover). Item Type: Power Kill Switch. withstanding current of this battery switch: 24V 400A. Round disk pitch: 37.5 mm. Waterproof cover can better protect key hole.