LG G3 User Manual page 14

Warning! Placing a heavy object on the phone or sitting on it can damage
its LCD and touch screen functionalities. Do not cover the LCD's proximity
sensor with a protective film. This can cause the sensor to malfunction.
Side view
LDAF Sensor
(Laser Detection
Auto-Focus
Sensor)
Volume Keys
Speaker
NOTE: LDAF Sensor (Laser Detection Auto-focus Sensor) :
This sensor measures the distance to the subject using laser technology
and allows for improved focusing speed and object detection in low-light
situations.
Back Camera Lens
Flash
Power/Lock Key
NFC Touch Point
IR (Infrared)
LED
Microphone
Charger/
USB Port
3.5mm
Headset Jack
13