12V/24V Digital LED Car Volt Meter 3 in 1 USB Car Charger Voltmeter Thermometer Car Battery Monitor LCD Digital Dual DisplayFeatures : 1.Multi-function:car LCD digital display. 2.With car charger:can real-time monitor temperature and car voltage 3.Easy to install:no needed the professional skill. Description : 1.Digital thermometer suitable for 12V/24V battery measuring range: -9~80. 2.Simply plug into charger socket, instant confirmation of battery voltage, low power consumption high light display.Specifications: Material: ABS + Electronic Components Color: Green,blue,red(optional) LCD indicator color: blue & red, green & red, red Product size: 76*47mm Model: VST-706 Voltage: 12/24V USB output: 5V 2.1A Display: Digital display Display Type:Temperature Display,Voltage Display Package Included: 1 * 3 in 1 Car charger Voltmeter Thermometer Notes : 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.