Features: 1. Dual LCD digital display allows you to monitor output voltage and battery voltage at any time. 2. Fault indication function with audible alerts and on-screen display for conditions such as battery under-voltage, battery over-voltage, overload, high operating temperature, and output short circuit. 3. Overload delay shutdown function helps prevent nuisance tripping during startup of motor-driven appliances. 4. Includes reverse polarity protection for added safety in small power non-professional user applications. 5. Intelligent temperature-controlled cooling fan provides efficient heat dissipation, resulting in quieter and more energy-efficient operation. 6. Digital MCU control ensures stable output waveform, accurate frequency, precise output voltage, and fast-acting protection circuits. Suitable for use in cars, boats, mobile stations, telecommunications, public safety, emergency systems, and other applications. Specifications: - Output Voltage: 110V / 220V (selectable) - Output Voltage Range: 110V ±10% / 220V ±10% - Frequency: 50Hz / 60Hz - High Voltage Protection: Up to 15.5V - Overload Protection: Yes - Output Short Circuit Protection: Yes - Reverse Polarity Protection: Yes - Output Voltage Stabilization: Yes - Buzzer Alert: Yes - USB Interface: 2.1A x 2 - Input Connection: Terminal block - Output Interface: Standard universal AC socket - Product Dimensions: 161mm x 112mm x 56mm (6.28in x 4.37in x 2.18in) - Package Dimensions: 187mm x 100mm x 145mm (7.29in x 3.9in x 5.66in) - Package Weight: 650g (1.43lb) - Packaging: Retail box Package Included: 1 x Power Inverter 1 x Alligator Clip Set 1 x Cigarette Lighter Cable Note: - Please allow 1-2mm variation due to manual measurement. - Item color may appear slightly different on various monitors due to screen calibration differences.