Portable & waterproof: This circuit breaker is small and lightweight that is easy to store and carry, and it is IP67 waterproof, suitable for different weathers... About this item ⚡ [Special tips]Ideal for car audio and video systems, boats, trucks, buses, RV's, ATV, marine and DC sound amplifier system overload protection. [Size]100A,3.9in (L) x 1.65in (W) x 1.57in (H) Red manual reset button,with 2 install screws in package. compatible with all 12V-48VDC Systems. 👍 [Safe and Conveniency]Type 3 manual resettable make sure to protect your appliance... Manual Reset Fuse Holder Automotive A ABSOPRO Car Reset Circuit Breaker 125A DC 12-48V Circuit Breaker Fuse Holder For Car Audio Marine Boat Stereo Switch Inverter (Pack Of 3 Waterproof Auto Reset Breaker Install on the panel or firewall. Built-in high current terminal blocks. Push button reset / Disconnect (kill switch). Features:High current overload protection. Sturdy: Rated Power: Current 100A, newly designed manual reset circuit breaker, for all 12, 24 volt and 48 volt systems. 100A Circuit Breaker Waterproof Car Audio Inline w/Manual Specifications:Voltage: 12-48V DCMaterial: Plastic, Zinc Alloy SteelSize: 7., 4x5., 5x4., 9cm / 2., 91x2., 17x1., 93(L*W*H)Current: 100APackage Included:1x Circuit Breaker Tough: Manual Reset Design: Manual reset button, the red button on the circuit breaker can be used as the main disconnect switch of the circuit, and can also be used as a kill switch.