UCERAMI Power Inverter 150W DC 12V to 110V AC Outlet Car Adapter Converter with Smart USB Charger PRODUCT: 150W power inverter with 2 smart identification USB ports. 150W AC outlet provide up to 300W of peak power and Dual USB ports can charge most phones and tablets simultaneously(Max 3.1A total output). COMPACT SIZE: just about Credit Card Size - 3.7 x 2.5 x 1.5 inches, space-saving and easy storage, with aluminum shell design, extremely portable and lightweight at only 8 oz+. SAFETY: full-protection with short-circuit , low-voltage , over-charge, over-voltage, over-load,over-temperature protection, built-in fuse & cooling fan (Applied for a 12V car but not 24V). TRAVEL KIT: travel-sized and Smart cooling fan makes it silent when it running. it is convenient for you to plug directly a truck on the road, campsites, remote job sites or anywhere that power is needed with cigarette lighter plug. WHAT YOU GET: UCERAMI 150W power inverter, user manual,24-months warranty and friendly customer service.Please make sure that you buy from Ucerami Direct, if not, please return the item you get