Description: High quality vehicle cigarette lighter adaptor.Suitable for Smartphone, GPS and PDA Convenient to charge your device while driving Short-circuit protection Keep voltage steady to prevent device form overcharging USB charger output current 5V/3.1(total for 2 ports) Specification: In-Car power supply is a morden?ergonomic and practical device suitable for a range of application It can supply power a camping, entertainment or communication equipment It can be used in all vehicles that are fitted with a cigarettle lighter socket(12/24V DC) USB(5V DC)port can be used to charge Smartphone, Digital Camera, GPS, and other devices Package Includes: 1 Piece Car Cigarette Lighter Note: Please check your equipment specification before using it Please note that insecure connection may cause demage to connected equipment and also damage your car electrical system. Maximum rated load for a 12/24V socket is 5A overloading may cause damage