Feature: 1. DC TO AC INVERTER: Pure sine wave inverter provides 1500W continuous power and 3000W sewing power, converts DC into AC power, and can be used in automobile, home, solar panel, emergency, etc. 2. HIGH EFFICIENCY: The inverter adopts copper transformer, with DC to AC conversion efficiency of 99.6% with strong output, adopts industrial electronic components, with stable performance. 3. CIRCUIT PROTECTION: Advanced isolation input and output technology is adopted to improve the safety, with overload, low voltage, high voltage, overheating and short circuit protection functions. 4. FAST HEAT DISSIPATION: The inverter has cooling fan, aluminum alloy heat dissipation shell, and multi vent design to prevent inverter overheating, with stepless speed change and temp control settings. 5. OTHER FUNCTIONS: Can supply power for laptops, tablets, printers, DVDs and other small devices and household appliances, and 5V 2.1A USB port can supply power for USB devices. Specification: Item Type: Pure Sine Wave Inverter Material: Aluminum Alloy, Copper Output Power: 1500W Peak Power: 3000W Display: LED Output Waveform: Pure Sine Wave Input Voltage: DC24V USB: DC5V 2.1A Output Frequency: 50Hz or 60Hz Operating Temperature Range (Rated): 32-104?H, 0??-40?? Low Battery Alarm Range (Rated): 20-121V Low Power Off Range: 19.4-120V High Power Off Range: 30V. Package List: 1 x Pure Sine Wave Inverter2 x Battery Cables1 x Power Cord1 x User Manual