LG -V498 User Manual page 171

Front-facing
camera
Power/Lock key
16
Use to take pictures and record videos of yourself. You can
also use this for video chatting. Keep it clean for optimal
performance.
Press to lock/unlock the screen. Press and hold to turn
the tablet on/off, restart it, and activate/deactivate airplane
mode. Press and hold Power/Lock key and Volume Down
key to the same time to capture the screen.
Rear-facing camera
microSD card slot
Speaker
Stylus Pen
Charger / USB port
Getting to know your device