Features: 1. Dual LCD digital display allows you to monitor output voltage and battery voltage in real time. 2. Fault alert function provides audible and visual notifications 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 sensitive electrical appliances. 4. Includes reverse polarity protection for added safety in small-power applications. 5. Intelligent temperature-controlled cooling fan improves energy efficiency and reduces noise during 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: Maximum protection voltage 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: Universal AC outlet - 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: Standard retail box Package Included: 1 x Power Inverter 1 x Alligator Clip Set 1 x Cigarette Lighter Cable Note: 1. Please allow 1-2mm variation due to manual measurement. 2. Item color may slightly vary due to monitor display settings.