The Earldom ET-M28 is a multifunctional car charger designed to keep your devices powered while monitoring your vehicle’s voltage. It features two cigarette lighter sockets and two USB ports with a combined output of 3.1A, making it ideal for charging multiple devices simultaneously. With a built-in voltmeter, power cut system, and on-off switch, it ensures both convenience and safety during every drive. Its compact design fits seamlessly into any vehicle without taking up extra space. Specifications Brand: Earldom Model: ET-M28 Output: 3.1A Ports: 2 USB ports, 2 cigarette lighter sockets Display: Built-in voltage display Power System: Includes power cut protection Switch: On/Off control switch Compatibility: Supports all cars with 12V systems Design: Compact and space-saving Key Features Dual USB and dual cigarette lighter channels for versatile charging 3.1A fast output for efficient device charging Integrated voltmeter for real-time car battery monitoring Built-in power cut system enhances safety On/off switch for controlled power usage Compact design saves space and suits all car interiors Compatible with all 12V vehicles