King Tony 9TQ12 Manual De Instrucciones página 6

APP Operation
Charging the videoscope
Only use charges marked: input 5v 500 mAh(or 1A).If you
do not know the voltage and current of your charger, use
the USB cable to charge the device via your computer.it
takes about 4 hours to fully charge the videoscope under
(5V 500mAh), and the display screen is on when changing.
EN
USB cable
3