Features: 【 4000W High Power Inverter】 Provides 550W continuous corrected sine wave power and 4000W peak power. Converts 12V DC battery power to standard 220V AC. (Please make sure your device is at 550W continuous power supply) 【 Built-in cooling fan and multiple protections】2 built-in 50A fuses to protect your equipment, this power inverter has overvoltage, overload, undervoltage, overheating, short circuit protection, reverse polarity protection. 【High standard product】The vehicle inverter has passed CE, FCC and ROSH certification, and the conversion efficiency is greater than 95%. 【Wide range of uses】Used for charging lights, fans, printers, computers, LCD TVs, hair dryers, hand drills, non-laser printers, heaters, dust collectors, juicers, rice cookers, etc. It is also very suitable for vacation, work and travel use, Indoor or outdoor emergencies. Specifications: Continuous Output Power : 4000W DC Input Voltage: 12V / 24V / 48V AC Output Voltage:110V Regulation:±5% Frequency: 60HZ±3% Efficiency :90% Output Wave Form : Pure Sine Wave Package included: 1 x 4000W power inverter 1 x Pure copper cable