The lamp is controlled by gestures. The sensor that recognizes gestures is located in the lamp head. Gestures are detected within a range of 5 cm to 30 cm below the lamp head.
There are three directions for the gestures:
DIMMING:
HAND MOVEMENT UP OR DOWN
To decrease the brightness, hold your palm still at medium height in the sensor's detection area for one second and then slowly move it from bottom to top. Keep your hand in the detection area until the brightness decreases.
To increase the brightness, hold your palm still at medium height in the sensor's detection area for one second and then slowly move it from top to bottom. Keep your hand in the detection area until the brightness increases.