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If you're sure it's an LED light, not a fluorescent one, then the white square is the driver, which can also be called a power supply, a constant current source.
It depends on your color temperature and purpose. The living room should preferably be equipped with white and warm light. >>>More
LEDs are mainly about electric current.
Possible Causes: >>>More
There are a lot of small LED lamp beads in the living room headlights, half of them are bright inside, and half of them are not lit, what's going on? >>>More
It is a spotlight, low voltage and power saving, high brightness and outstanding effect. When purchasing, you must be equipped with a transformer, and the quality is mid-range. A transformer that is too cheap cannot be used and may break down in a few days.
OK. There are two ways to connect:
1. Direct parallel connection switch, two kinds of lights on and off at the same time. >>>More