3in1 12/24V Digit Voltmeter Meter Thermometer Car Cigarette Lighter USB Charger

Product Features: - 3-in-1 design combines a voltmeter, thermometer, and USB charger. - Real-time monitoring of battery voltage (12V/24V) and temperature (-20 to 80°C). - Dual USB ports (5V/2.1A and 5V/1A) for convenient device charging. - Built-in cigarette lighter socket for additional power supply. - Wide compatibility with most vehicles, including cars, trucks, and RVs. - Compact and lightweight design for easy installation. - Durable construction with high-quality ABS material. - Bright LED display for clear visibility in all lighting conditions. Benefits: - Ensures safe driving by monitoring battery health and preventing overcharging. - Provides real-time temperature readings for optimal comfort levels. - Conveniently charges USB devices while on the go. - Compact size minimizes clutter and allows for flexible placement. - Durable construction ensures longevity and withstands everyday use. Key Usage Points: - Monitor battery voltage and prevent overcharging or undercharging. - Measure and maintain ideal cabin temperature. - Charge multiple devices simultaneously while driving. - Easily monitor charging progress and battery status. - Enhance driving safety and convenience. Detailed Specifications: - Voltage Range: 12V/24V - Temperature Range: -20 to 80°C - USB Output: 5V/2.1A, 5V/1A - Cable Length: 60cm Additional Features: - Overcharge and short circuit protection for safety. - Memory function to retain previous settings after powering down. - Universal fit for most vehicles with a cigarette lighter socket. Why Choose This Product? This 3-in-1 voltmeter, thermometer, and USB charger is essential for any vehicle owner. It provides real-time monitoring of battery voltage and temperature, ensuring safe driving and optimal comfort levels. The dual USB ports allow for convenient device charging, while the compact design and durable construction make it a practical and reliable accessory. Relevant External Links: - [How to Monitor Battery Health with a Voltmeter](

<a href="https://www.autozone.com/diy/batteries/how-to-monitor-battery-health-with-a-voltmeter/568") - [Maintaining Ideal Cabin Temperature](

<a href="https://www.nhtsa.gov/road-safety/distracted-driving/distraction-overview/temperature") - [Charging Devices in Vehicles](

<a href="https://www.usb.org/usb-devices/the-charging-story")