Scope of Application: Suitable for overload of car audio, video systems, ships, trucks, buses, recreational vehicles, ATV winches, ships and DC sound amplifier systems. Excellent Performance: Unique Push Button Reset can also be used as a Kill Switch.Can be mounted on Panel or Firewall. Practical Accessory: Circuit breaker can effectively prevents excessive current and overload for amps, audio electronics, audio, video systems, and accessories in car, boats, marine vehicles, and moped power surges from damage to their amplifiers. User Friendly Installation: Easy to use and quick to install, and will not take up much of your time. Wonderful Accessory: Superior workmanship, focus on bringing a good user experience. Please check the pictures carefully before buying to avoid wrong purchase. Item Type: DC Circuit Breaker Voltage: 12-24V DC Current: 100A-250A (Each model corresponds to a different maximum current) Working Temperature: -10-50C (-14-122F) Colour:Black Material:plastic Package Contents: 1 x Manual Power 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.