Specification:

Material: Plastic and metal
Voltage: 12-42V DC
Suit gauge wire: 0 - 4 AWG
Operating 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 Override

Package include:

1x Circuit Breaker Car Audio Inline Fuse
One year warranty. Your satisfaction is our priority, any questions about our item, feel free to contact us