Enhance your vehicle experience with this versatile 3 in 1 USB Car Charger Adapter, designed to provide fast charging, accurate temperature monitoring, and real-time battery voltage detection. Crafted with durable metal and plastic materials, this compact and easy-to-use adapter is an essential accessory for most 12V-24V vehicles, including cars, SUVs, and trucks. Key Features: · Fast USB Charging: Equipped with a high-efficiency USB output delivering 5V/2.1A, this car charger ensures quick and reliable charging for your mobile phones and other USB-powered electronic devices on the go. · Precise Thermometer Display: The built-in thermometer clearly monitors the air temperature ranging from -10°C to +80°C, helping you maintain a comfortable atmosphere inside your vehicle. · Real-Time Voltage Meter: Integrated voltage meter tester provides immediate feedback on your vehicle’s battery voltage, allowing you to keep track of battery health and avoid unexpected power issues. · Easy Installation: Featuring a convenient cigarette lighter plug design, this adapter supports simple plug-and-play operation without the need for complicated wiring or tools. · Wide Vehicle Compatibility: Suitable for most vehicles with a 12V to 24V power supply, including cars, SUVs, trucks, and more, making it a versatile charging and monitoring solution for various automotive needs. · Clear Dual-Color Display: Offers two display color options—red thermometer with green voltmeter or red thermometer with blue voltmeter—allowing easy and clear reading of temperature and voltage levels. · Compact and Portable: Measuring 4.3cm (1.69") in diameter and 8cm (3.14") in total length, this lightweight adapter (approx. 50g) fits perfectly in your vehicle without occupying much space. Specifications: · Material: Metal, Plastic · Shell Color: Black · Input Voltage: 12-24V · USB Output: 5V 2.1A · Connection: Cigarette Lighter Plug (Plug and Play) · Temperature Measurement Range: -10°C to +80°C · Display Color: Red thermometer with green or blue voltmeter display (optional) · Diameter: 4.3 cm / 1.69" · Total Length: 8 cm / 3.14" · Package Weight: Approx. 50g Package Includes: · 1 x 3 in 1 USB Car Charger Adapter This multifunctional car charger adapter combines fast device charging, accurate ambient temperature monitoring, and essential battery voltage diagnostics to improve your driving comfort and vehicle maintenance. Its durable build and user-friendly design make it an indispensable accessory for everyday travel.