Description: Indicator light function: When the blue LED light is on, it indicates that the circuit is powered on and running normally. When the red LED light is on, it indicates that the has been disconnected and needs to be replaced in a timely manner to continue for operation. Installation scope: can be installed on cars, villas, RVs, buses, yachts, boats, etc Scope of use: It can be directly connected to any electrical circuit in the car/ship, such as: roof lights, car headlights, width lights, fog lights, warning lights, car refrigerators, car chargers, car fans, car televisions, etc. ABS: The box is made of ABS material, which is durable and wear-resistant. Specification: Product model: CS-1858A1 Net weight of product: 272g Product gross weight: 304g Product size: Approx.13 * 9 * 3.5cm/ for 5.11*3.54*1.37 inch. Product material: ABS body, PC waterproof and dustproof cover, plated copper connection terminal, PPX40 sticker Input rated voltage: 10V-24V Input rated current: 80A Single circuit maximum output current: 20A Indicator light color: blue, red Main terminal: M5 threaded stud Main wire: # 4-6 Single wire terminal: threaded stud Single wire: # 12-16 Package Includes: 2 Pieces stickers 4 Pieces self tapping screws 4 Pieces 20A fuse 4 Pieces 15A fuse 2 Pieces 10A fuse 2 Pieces 5A