Feature: Made with high quality ABS plastic for maximum durability. Easy to install without extra adjustment. Precise design, anti-rust and anti-corrosion, solid brass nuts and washers. Waterproof cover can better protect key hole. Universal fit for Car, Boat, ATV etc . Specification: Condition: Brand New Material: ABS Plastic&Metal Color: Black Size: Approx 7*5.5cm/2.8*2.2in Rated Current: 200A Rated Voltage: DC 60V Working Voltage: 12V/24V Dielectric Strength: 1500VAC/1min Electrical life: 10000 times Package Weight: Approx 128g Fitment: For Car, Boat, ATV etc Package List: 1 * Power Isolator 1 * Key Note: 1. Professional installation is highly recommended. 2. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. .4. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.