Car Audio Circuit Breaker Fuse Holder 80A/100A/150A/200A/250A/300ASpecification:Material: Plastic and metalVoltage: 12-42V DCCurrent: 80/100/200 AmpSuit gauge wire: 0 - 4 AWGOperating Temperature: -10C to 50C (-14F to 122F)Size: 3.34in (L) x 1.77in (W) x 2.75in (H)Instructions:-Can be mounted on circuit of vehicle-mounted speaker or other electric appliance.-No need to disassemble or install insurance core when break down. Just switch on or off the device.Functions:-For car audio/video system overlord protection-Stops power surges from damaging your amps.Features: -Mount on Panel or Firewall.-No fuse change trouble & headache-Easy to operate with manual reset arm-Unique Push Button Reset can also be used as a Kill Switch.-High Tech water resistant housing.-Self-Testing & Manual OverridePackage include:1x Circuit Breaker Car Audio Inline Fuse