2. 3 in 1 functions: USB charger + car thermometer + battery voltage.
3. Suitable for 12V and 24V battery.
4. Voltage and temperature display automatically changed.
5. Output voltage: 5V.
6. Maximum output current: 2.1A.
7. Digital Thermometer: -10~80C temperature measurement.
8. Digital Voltmeter: Simply plug into cigarette socket, instant confirmation of battery voltage.
9. Car Mounted Charger: Can charge for phone, digital camera, iPad.
10. Low power consumption high light display.
11. Size: 7.5*4*4cm
12. Weight: 28g
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