Feature:1. Good Heat Dissipation: Our inverter has a cooling fan and the aluminum housing has a multi vent design to prevent the device from overheating.2. Red Copper Inverter: Higher converted power, more durable and stable than ordinary converters, more powerful output and more stable performance.3. Silent Operation: The inverter adopts stepless variable speed and temperature control setting, which is truly silent and allows you to work comfortably in a quiet environment.4. Powerful Power: This inverter has a smart USB port for charging USB powered devices such as laptops, tablets and other small devices or any other home appliances.5. Safe to Use: Advanced isolated input and output technology design, improved safety, with overload, low voltage, high voltage, overheating, short circuit protection functions, use more at ease.Specification:Item Type: Pure Sine Wave InverterMaterial: Aluminum alloy, red copperOutput Power: 2000WPeak Power: 4000WOutput Waveform: Pure Sine WaveOutput Voltage (AC): 220VUSB: DC5V 2.1AOutput Frequency: 50Hz or 60HzAmbient Temperature: -10-50Storage Temperature: -30-70Relative Humidity: 0-80% (non condensing)Altitude: