Two working modes: One mode, sensor lighting. When turned on the switch, entering the white color lighting mode . At this time, when the human body moves within 1-3 meters of the sensing range, the light will continue lighting. When the human body stay in place or the person leaves the sensing range, the white light will automatically extinguish after 20S. Second moder:sonsor lighting + Blue lighting. Press and hold the switch for 5s. When the blue light flashes, the sonsor lighting + Blue lighting is turned on. The working mode is that when the human body enters the sensing range of 1-3 meters, the white light is on. When the human body leaves, the white light automatically turns to blue light after 20 seconds, that is, it enters the automatic Blue lighting mode at this time, and Blue lighting mode automatically turns off for 60S until someone Enter the sensing range again.