Features: 1. Dual LCD digital display allows you to monitor output voltage and battery voltage at any time. 2. Fault alert function with audible and visual indicators on the display screen 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 false tripping during startup of motor-driven appliances. 4. Includes reverse polarity protection for non-professional users in small power applications. 5. Intelligent temperature-controlled cooling fan provides efficient heat dissipation, ensuring quiet and energy-efficient operation. 6. Digital MCU control delivers 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 (optional) - 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 outlet - Product Dimensions: 161mm x 112mm x 56mm (6.28in x 4.37in x 2.18in) - Package Size: 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 measurement deviation due to manual measurement. - Item color may vary slightly due to monitor display differences.