Newest 4-in-1 12V Car Charger Calendar Time Clock Display Digital Thermometer Battery Monitor Voltmeter 2.1A different voltage batteries Do not

different voltage batteries Do not use

[Wide Compatibility] USB ports are compatible with 5V input USB devices

Sleeping mode available

Pink Features: LED Indicator

Newest 4-in-1 12V Car Charger Calendar Time Clock Display Digital Thermometer Battery Monitor Voltmeter 2.1A different voltage batteries Do notProduct Features: 4 in 1 Car Charger Time clock and calendar display; digital thermometer; car battery monitor; car mounted charger Simply plug into cigarette socket, instant confirmation of battery voltage, low power consumption high light display. Screen(above) display time and temperature, short pressing button set for cyclic display year, month, date, hour, minute and second. Screen(below) display voltage and temperature, short pressing up for