General description The New 4000W 12V 220V/110V LED AC Car Power Inverter is a versatile and powerful device designed to convert DC power from your vehicle into AC power for various applications. It features dual USB ports for charging devices and is equipped with advanced safety and monitoring functions. Technical specifications Output voltage: 110V/220V (optional) Output voltage range: 110V ±10% / 220V ±10% Frequency: 50Hz / 60Hz Input voltage: 9.5V - 15.5V High voltage protection: Maximum protection voltage of 15.5V Overload protection: Yes Output short circuit protection: Yes Positive and negative pole reverse connection protection: Yes Output voltage stabilization: Yes Buzzer protection: Yes USB interface: 2.1A x 2 Product size: 161mm x 112mm x 56mm (6.28in x 4.37in x 2.18in) Package size: 187mm x 100mm x 145mm (7.29in x 3.9in x 5.66in) Package weight: 650g (1.43lb) Installation Input terminal connection mode: terminal Output interface: international general socket Usage The