Screen: The oscilloscope is powered by a built in 1500 mA battery, which will be fully charged in 12 hours via a 5V 2A adapter and can operate for 4 hours (green indicator for completion/red indicator for charging). The digital handheld pocket oscilloscope and transistor tester is designed with a high resolution 2.4 inch screen with adjusting backlight. Better reading experience and easy to use.


