BESTEK Pure Sine Wave 300W Power Inverter DC 12V to AC 110V with 4.2A Dual Smart USB Ports Car Adapter (Black) America's leading power inverter brand: BESTEK 300W PURE SINE INVERTERS designed for your devices that require careful protection, provide continuous DC to AC power and 700W of peak power with 2 AC outlets and 2 USB charging ports, great for Christmas gift, charging string lights, laptop, speakers, camera, nebulizer, game console, kindle, iPad and other. Smart Charging: BESTEK 300W PURE SINE INVERTERS is equipped with 2 Smart USB charging ports, which detects your devices automatically to deliver its fastest charge speed up to 2.4 amps per port/4.8 amps max, and you can charge most phones and tablets simultaneously. Most Compact and portable: Unique vents and smart fan design make our 300W power inverter easier to dissipate heat, and cigarette lighter plug is easy to plug into a cigarette lighter socket. Mufti Protection: Built-in 40 amps fuse and full protection against overheating, under and over voltage charging, short circuiting, overloads, and overcharging. What You Get: 1*BESTEK 300W Pure Sine Power Inverter, 1*User Manual, 18-month warranty and customer service.