Webetop Advantage 1: Webetop converter is made of unique ABS+AC+VO high-molecular polymer,comparing to metal converter in the market,it's much easier for heat dissipation and againt overheat,more safely and environmental.Metal always heat and become hot so easily when in use. Webetop Advantage 2: It come with one more AC outlet plug and one cigarette lighter socket that other styles not.It means we can use car powered device(such as car vacuum/car refrigerator/car air fan etc) at the same time when we charge for our laptop /tablets /phones,but other styles can't. Powerful & Smart:Converting 12V DC vehicle power to AC 110V hosehold power,provides continuous 150W AC power and up to 300W peak power.The supplied 24 inch cigarette lighter plug is univeral for almost all vehicle.Extra fast,smart and efficient! Widely Application: 3* 110V outlets is safely to power your laptops,hair dryer,tv,dvd,good for outdoor activity or road trip./ 2* 2.1A USB ports is great for phones,iPad,gps,mp3,camera etc./ 1* ciggarette lighter socket is good for your car powered device,such as car vacuum,car refrigerator,car air fan,car charger etc./ Small and lightweight design great for vacations,work trips,and camping,lower noice and no pollution. Mutil Protection: Compact design with durable housing provides good protection from drops and bumps./ The built- in 40 amps fuse completely keep your devices and car safe.Safe charging design protects devices against overheating,short circuits and overloads,low voltage and over voltage.ALSO,the built-in cooling fan helps reduce heat efficiently.