Item Specifications: Condition: New Color: Black Light Color: Blue Input Voltage: 12-24V Output Voltage: 5V Output Current: 2100mA Working Temperature: Normal Connection Wires: Red (+), black (-) Outp more→ut Port: USB No. Of Ports: 2 Max Output Current: 4.2A (2.1A for two ports respectively) Compatibilities: Universal suitable with most of cars, vans, boats, motorcycles, rv, caravans, SUV, etc. Applications: It can charge most devices, such as smartphones, cellphones, smart watches, smart bands, cameras, GPS, tablet computers, mp3/mp4 players, etc. Features: 1. Easy to fit and remove, with dustproof and waterproof rubber covers. 2. Made of fireproof materials, high temperature resistant and