Led why does the ceiling lamp change brightness once a switch is applied?
The ceiling lamp is provided with a plurality of lamp groups which are respectively connected with different output parts of the sectional switch, and the input of the opening switch is connected with the switch of the switch. In this way, once the switch is switched, the output of the sectional switch is switched once.
You bought it with different gear, there is a relay switch, control different brightness, in the back of the lamp
Inside of your ceiling lamp, there is a sectional switch, and the ceiling lamp is divided into three groups. Each time, the brightness is increased by one group. Wish success.
