Features: 1. Dual LCD digital display allows you to monitor output voltage and battery voltage in real time. 2. Fault alert function with ble and on-screen notifications 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 added safety in small power non-professional user applications. 5. Intelligent temperature-controlled cooling fan for efficient, quiet operation. 6. Digital MCU control ensures stable sine wave output, accurate frequency, precise output voltage, and fast-acting protection circuits. Suitable for use in cars, boats, mobile stations, telecommunications, public safety, emergency response, 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: 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: 1. Please allow 1–2mm measurement deviation due to manual measurement. 2. Item color may appear slightly different in photos due to variations in monitor calibration.