Description: This is a car LED digital display DC 12V to AC 220Vpower inverter with safe power supply design which provides protections againstreverse connect, low voltage, high voltage, short circuit, overload andoverheating. It is a must-have for your road trips, vacations, outdoors,emergency kits. Features:Car LED digital display power inverter helps to convert DC12V vehicle power to AC 220V household power for convenient use. With AC 220V outlet and 4 USB port, it can be appliedin household appliances and many other electronics like for laptops, cellphones, amplifier, freezer, etc. Built-in protections from short circuit, overload,overheat, low-voltage and over-voltage, keep your appliances and car safe. Aluminum alloy housing and durable construction, standsup to harsh environments and all season, provides advanced protection fromdrops and bumps. Great for use on road, vacations, at campsites, remotejob sites or anywhere that AC power is needed.Specifications: Condition: 100% Brand New Material: Aluminum Alloy Color: Blue Peak Power: 2000W. 1000W, 500W(optional) Output Voltage: 220V Input Voltage: 12V Output Frequency: 60Hz Output waveform: Modified Sine Wave No Load Battery Loss: <0.15A Maximum Power Amplifier: More than 90% Environment Temperature During Operation: 0C-40C Low Voltage Alarm: 10.4V-11V Low Voltage Shutdown: 9.7V-10.3V High Voltage Shutdown: 14.5V-15.5V Over Temperature Protection: 55C -77C Circuit Topology: Full Bridge 2000W Power Inverter Size: Approx. 28*10.2*6cm 1000W Power Inverter Size: Approx. 24*10.2*6cm 500W Power Inverter Size: Approx. 19.4*10*6cm Weight: Approx. 791~1278g Package Included: 1 * Car Power Inverter 2 * Battery Clips1 * User Manual Note: 1. It is strictly prohibited to connect the positive andnegative terminals of the voltage in opposite direction. The red power inputline should be properly connected to the "+" pole of the inverter andbattery. The black power input line should be properly connected to the"-" pole of the inverter and battery. 2. In order to ensure the stability of the inputvoltage, the input terminal of the inverter must be tightly tightened. Theclamp must be fully engaged with the positive and negative poles of thebattery, and ensure that the battery interface is clean and not severelyoxidized. Otherwise, the inverter will frequently enter the low-voltageprotection state due to the instability of the input voltage, and thus cause a breakdown.