Maxfind Universal Cigarette Lighter Car USB Port Cell-Phone Charger Digital LED Display Voltmeter Thermometer Auto Gauge 3in1 12 V 24 Volt Battery Voltage Tester Temperature Monitor Meter
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<b>[Product Information]</b><br>
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<li>BATTERY VOLTAGE AND CURRENT DISPLAY : A solid LED read out displays your car’s operating voltage or the total USB charging output while A flashing LED display indicates a potential vehicle voltage problem.Monitoring the health of your vehicle's battery and electrical system in real time</li>
<li>SMART CHARGING TECHNOLOGY: Display the current detected by the Intelligent circuitry while charging.Intelligent circuit design protects against short circuiting, over-heating, over-currents, and over-charging.</li>
<li>Universal USB charger, cell phones, digital cameras, tablet PC, for Apple/Android ;</li>
<li>COMPACT DESIGN FOR ADDED PORTABILITY：DC input: 12V-24V / USB output: 5V 2.1A; / Protection: Over current, overcharge, overheat, car voltage warning.One Year Warranty.</li>
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