What is the best professional Handheld OBD2 Code Scanner in 2019? Videnttool.com made a comparison list for you

Vident iEasy310 vs. Foxwell NT301 vs. Launch CR3008 vs.Autel AL519

	Vident iEasy310	Foxwell NT301	KW850	Launch CR3008	Autel AL519
Image
Price(USD)	49.99	69.99	69.99	49.99	59.99
AUTOVIN	√	√	×	×	×
3-color light	√	√	√	×	√
Battery voltage test	√	×	√	√	×
Single data stream waveform	√	√	√	√	√
Multi channel data streams	√	×	√	√	×
Hotkey “I/M”	√	√	√	√	√
Hotkey “Read”	√	√	×	√	×
Hotkey “Erase”	√	√	×	×	×
One-key update	√	√	×	×	×
Help button (for DTC/Live data)	√	√	√	√	√
Print	√	√	√	√	√
Play back	√	√	√	√	√
Read / erase DTCs	√	√	√	√	√
System Information	√	√	√	√	√
Live data	√	√	√	√	√
View freeze frame	√	√	√	√	√
I/M Readiness	√	√	√	√	√
EVAP Leak Test	√	√	√	√	√
Mode 6	√	√	√	√	√
Color screen	√	√	√	√	√

In sum:

Vident iEasy310 wins!!iEasy310 is more functions and cheaper!