Compatible Power-Booster: This 12-V DC adapter is designed for mini routers used in trucks, motorhomes, and outdoor settings, delivering reliable power wherever you go. Reliable voltage conversion: It raises voltage from 10 V to 30 V to meet the needs of mini devices, without worrying about drops or surges in your vehicle power. Weather resistant: Made from aluminum and sealed with silicone, it provides stable, durable performance and splash protection for outdoor use. Intelligent protection system: Built-in protections against overcharge, overcurrent, overheating, and short circuit to ensure safe operation of your mini equipment. Use cases: - On long road trips or in fleet vehicles, powering a WiFi router or other mini devices from vehicle power. - In motorhomes or campers, delivering stable operation for portable networking gear during travel. - In outdoor work sites or remote locations, keeping small devices powered when main power is unavailable.