1. Material: ABS+silver-plated copper+tin-plated copper 2. Rated current: 300A 3. Voltage: 24V 4. Operation: ON and OFF 5. Scope of application: RV, yacht, van, truck, caravan 6. Simple operation: Just turn the knob to connect or disconnect the power supply. 7. Heavy Duty: This battery disconnect switch is designed for high current situations. Made of ABS plastic shell, durable and safe to use, with insulated terminals on the back cover to prevent any short circuits, and equipped with 4 sets of bolts. 8. Product function: When the vehicle is not in use, it eliminates any power consumption when the vehicle or boat is not using the battery, and safely disconnects the battery.