Ceptics 300W Car Charger Power Inverter with SmartVoltage™ - Universal AC Outlet Car Laptop Charger  (AC, DC)

"Ceptics Premium 300W DC to AC car Inverter travel companion. The ultimate car inverter travel charger for road trips, vacations and more. Enjoy 2x USB ports (2.4A x 2), 1x universal input plug outlet for laptops, lights, mobile phones charging & more. This car USB charger has quad USB ports (2.4A x 2) which effortlessly charges four devices (including any smart phones and tablets) simultaneously. Product Specification: Output Power: 300W DC Input Voltage: DC 12V Output Voltage: AC 220V Output frequency: 50HZ ± 2HZ Output waveform: Modified sine wave Conversion efficiency: ? 90% USB Output: 5V - 2.4A * 2 ports Cooling Way: Temperature-controlled fan 230V Version AC outlet: 1x Universal socket (Global) LED Display: Show Input voltage or USB Undervoltage protection: 10V ± 0.5V Overvoltage protection: 16V ± 0.5V Overload Protection: 350W ± 30W Overtemperature protection: 60 ± 5? Output short circuit: Yes Shell material: Aluminum Alloy Shell color: Black Certification: CE, ROHS, FCC Product size: 144 x 78 x 46.5mm Product weight: 0.67KG Warranty period: 12 months Made of a premium durable construction, the inverter's metal housing provides robust protection from drops and bumps. It is powerfully long-lasting & easy to maintain. Optimal Use and Precautions: Please do not leave the power inverter in the ON position while your car is off. The cooling fan remains on continuously. This means you'll only be able to use it in situations where the car is running. Avoid placing the inverter into sunlight directly or next to heat-sensitive materials to protect inverter from getting too warm. Please understand device wattage usage. This product comes with 1 Year Manufacturing warranty."