[Product size]: 200mm * 200mm concealed height 40mm open installation height 75mm

[Installation method]: The installation type is open-mounted and concealed-mounted, and the corresponding accessories for open-mounted and concealed-mounted are all provided together. Please choose the installation type. The general-purpose concealed opening must be 10.5cm. Note: If a customer specifies that it needs to be concealed, if the hole is about 5-11cm, the specified concealed type is required.

General-purpose concealed style: 10.5cm open hole (both open and concealed can be used).

Designated concealed type: the hole is about 5-11cm.

[What is the difference between LED positive white light and warm white light?]

positive white light means: the color temperature is about 6500K, also called (cold white) English is cold white

warm white light means: the color temperature is about 3000K, and the English name is warm white (which is similar to the light emitted by the most traditional incandescent bulb before), but it should be white, so it is called warm white light. It is mostly used in bedrooms to create a warm atmosphere.

[Description of colorful slow changing light]: the decorative light source on the edge will gradually change color and automatically change color.

[Four modes light changing instructions]: light changing refers to the synchronous color changing of the decorative light source around the lamp; The order is blue light around the first turn on the lamp; Violet light around the second turn on the lamp; the third turn on the light is surrounded by red light; The fourth turn on the light is blue violet red light exchange discoloration.