General description The 4000W 12V 220V Pure Sine Inverter is designed for car camping and travel, providing a reliable power source with advanced features. It includes a wireless remote control and dual LCD digital displays for monitoring output and battery voltage. The inverter is equipped with multiple protection functions to ensure safe operation. Technical specifications Output voltage: 110V (±10%) / 220V (±10%) Frequency: 50Hz / 60Hz Input voltage: 12V High voltage protection: maximum protection voltage of 15.5V Output short circuit protection: Yes Overload protection: Yes Positive and negative pole reverse connection protection: Yes Output voltage stabilization: Yes Buzzer protection: Yes USB interface: 2.1A x 2 Product dimensions: 18.7 x 10.0 x 14.7 cm Package dimensions: 187 x 100 x 145 mm Package weight: 700g / 1.43lb Installation Input terminal connection mode: terminal Output interface: international general socket Usage Ideal for use in cars, steamships, mobile posts,