1. The switch can be operated normally by battery or as an auxiliary battery switch. 2. Small size, beautiful appearance, strong and durable. 3. Easy to install, with a variety of installation methods available. 4. Suitable for trucks and professional racing cars. Widely used in conventional motorhomes today. 5. The product has a wide range of applications and can be used as the on/off switch for various electrical equipment installed inside and outside the vehicle (such as strobe lights, chassis lights, fog lights, ceiling lights, and instant power cutoff, etc.). Product Name: Battery Isolator Rated Voltage: 12-24V Contact Resistance: 50m Insulation Resistance: 100M Note: Installation guide not included. Professional installation is strongly recommended. Please verify the specifications to ensure the item meets your requirements. Tips: Product design may vary slightly between batches, resulting in minor differences in appearance or color, which do not affect functionality. Color: As shown in photos Material: Plastic + Metal Package Contents: 1 x Car Power Off Master Switch Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1-3 cm.