YA201
YA200
YA101
YA100
screen size
2.4 inch
2.4 inch
1.8 inch
1.8 inch
resolution
320×240px
320×240px
160×128px
160×128px
One-key I/M
One-key battery test
One-key fault code
One-key VIN
Read fault code
Clear fault code
I/M ready status
data flow
freeze frame
Oxygen sensor test
VIN
battery test
Protocol support
OBDII/EOBD/CAN
OBDII/EOBD/CAN
OBDII/EOBD/CAN
OBDII/EOBD/CAN
DTC definition
DTC lookup
self-test
screenshot
live data flow graphic
live data recording and playback