Multi functional Car Power Inverter 300W 4 USB Port 4 Socket

300 watts AC220-240V 50-60HZ Smart digital screen Dot matrix LED display, real-time monitoring of battery voltage Stable, safe and reliable output power supply Rapid Cooling Intelligent speed regulation, fast cooling With efficient intelligent fan, continuous and efficient operation. The built-in intelligent protection system is stable, reliable and safe. High quality phosphor copper sheet, not easy to rust, Better electrical conductivity. High power, can supply multiple equipment at the same time stable output, more durable safe use. Smart electric core fast charging environment protection