According to the local latitude and longitude tegother with seasonal, CN306-R485 Smart time switch adopts computer chips to change on/off time. So users don't need to input switching time, because local latitude and longitude at factory has been designed in advance.
There are A and B road input on this time switch. Every road can be fixed whole night light(turn on the light in the evening and turn off in the morning), half night light(turn on the light in the evening and turn off in the middle night), 2 on 2 off(half night light and turn on light in the deep night then turn off in the morning ). Before leave factory, A road have been fixed whole night light, and B road have been fixed part night light. 2 on 2 off, plus A cold morning again (in the middle of A light switch) three ways
To save power, when the timer running, in addition of second signal shine, A and B state signal, there are no other signal. When press any key or starting power, screen display clock, it will close in a minute.