Product Review

USB Output Voltage: DC 5.0-5.1V; USB Output Current: 0-2.1A, built-in fuse Function 1 : Car battery voltage monitoring, 12V cars/SUV, 24V trucks/buses Function 2 : Universal USB charger for cell phones, digital cameras, tablet PC, Apple/Android ; Function 3 : In-car temperature measurement, -22 ~ 158.F