1. Material: This battery switch is made of heavy-duty ABS and metal materials, which is and safe to use. 2. Easy Installation: It only takes a few minutes to install this battery disconnect switch and wires. 3. Excellent Performance: This battery disconnect switch minimizes battery loss and prevents leakage. 4. Wide Application: This battery disconnect selector switch is universally used for boats, ships, cars, vehicles, campers, RVs, motorcycles and yachts, etc. It is also a switch for electrical equipment. 5. Battery Disconnect Switch Battery Main Power Cutoff Switch 300A Battery Isolator Automotive Cutoff Switch Specifications: Working Voltage: DC 32V Rated Current: 300A Easy to install, the knob is removable. Suitable for cars, motorcycles, trucks, boats, campers, etc. Small size, sturdy and . Colour:As Shown Material:plastic Note: The knob is not removable Package Contents: 1 * 300A Leakage protection switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.