Bestek 300W Power Inverter Vehicle 12V DC In 120V AC Out 2.4A USB Ports Red
Works in a vehicle power port, may not function in cigarette light port.
Depends on design of ports. 

Bestek 300w car adapter generates 300 watts continuous DC to AC and 700 watts of instantaneous power. It comes with 2AC outlets and 2 USB ports, making it ideal for multipurpose charging. It features a built-in 40 amps fuse that helps to protect the device. Its safe charging design prevents damage against short circuiting, overheating, and overcharging. The product features an integrated cooling fan that helps to reduce heat as well as prevent shortage.