It has human body induction motion sensor with less than 60 times one light, after the induction it gives full light, each 45 seconds later, it turns to energy saving mode.(the induction distant is 6-8M, induction angle is 90 for full light )

Night sensor function 

It will auto turn on dim light when in darkness or at night, and auto turn off when in daytime or bright area.

Dim light mode 

In order to save power, it will auto turn on dim light when no motion over there, but the brightness also can work as signal light.

Bright light mode 

When people walk around 3 meters close, it will turn on bright light