Features: 100% Brand new and high quality. Digital thermometer suitable for 12V and 24V battery measuring range: -9 to 80 Deg.C Simply plug into cigarette socketinstant confirmation of battery voltagelow power consumption high light display. Car-Mounted Charger. Specifications: Material: Plastic Suitable for 12V and 24V battery. Output voltage: 5.0V. Maximun output current: 2.1A. Display color: Red+Red Green+Red Blue+Red Size: approx. 8cm x 4cm Package Includes: 1 x Car Charger Voltmeter Thermometer