Features: Engineered with advanced thermal fuses technology, this battery overload protection fuses box automatically disconnects power within 0.1 seconds when detecting abnormal currents up to 30A, preventing short circuits and electrical damage. Crafted from high temperature resistant ABS materials, the fuses box ensuring corrosion resistance and precise component alignment. Ideal for car owners requiring electrical system maintenance, battery upgrades, or enhancing safety for added accessories like dashcams or lighting systems. Provide critical circuit protection during city commutes, highway driving, or extreme weather conditions by stabilizing voltages flow to vital vehicle electronics. Rigorously tested for 100,000 operation cycles, its insulated design minimizes electromagnetic interference while maintaining consistent performances in engine bay temperatures. Specifications: Type: Overload protection hot fuses hot melt switches Component:Plastic Color:Black Part Number:4G0915519 95861120500 7P0937548F PSS-2 Package Includes: 1pcs Automatic Battery Cutoff Switches note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.