Features:Brand new and high quality.Suitable for 12V and 24V battery.Output voltage:5.0V.Maximun output current:2.1A.Display color: Red+Blue.Size: 7.8cm x 4.2cm x 4.2cm.Function:Function1:Digital thermometer suitable for 12V and 24V battery measuring range:-9~80??.Function2: Simply plug into cigarette socket、instant confirmation of battery voltage、low power consumption high light display.Function3:Car-Mounted Charger.Package Included:1 x Car Charger Voltmeter ThermometerNO Retail Box. Packed Safely in Bubble Bag.