Multifunctional Car Thermometer Car Voltmeter Thermometer USB Charging

General description The Multifunctional Car Thermometer and Voltmeter is designed to provide real-time voltage monitoring and temperature readings. Its plug-in structure fits easily into the cigarette lighter socket, while the soft design of the temperature probe allows for discreet placement. This device not only monitors voltage to prevent overcharging but also features a USB port for timely mobile phone charging. Technical specifications Type: Plug-in cigarette hole Functionality: Real-time voltage monitoring, temperature measurement USB port: Yes, for mobile phone charging