Small, Lightweight Design. Safe, Reliable Fast |Charging. Charge two Devices Simultaneously. Smart Device Detection Automatically Regulates Power Required. Supports DC 12-24V (power input) Cigarette Lighter Sockets. Offers up to 24W Power Output. Manufactured from Durable ABS Materials. Short Circuit, Temperature and Over-Charging Protection.​ Type: CarUSB Ports: 2Max Power (Port): 2.4A