Biuyum Ultra-thin Surface-mounted Round LED Small Ceiling Downlight Corridor Anti-glare High CRI Non-main Lighting Entrance Hallway Recessed Spotlight Black-15W-Cool White

Product Specifications:

Brand: Biuyum

Product Name: CYLINDERLIGHT LED Surface Mounted Downlight

Design & Installation:

Universal installation structure compatible with various ceiling materials: gypsum board, wood, metal, concrete, etc.

Installation screws must be selected according to actual ceiling material:

* Wood base: self-tapping screws (diameter 3-4mm)

* Concrete base: expansion bolts (recommended M6)

* Gypsum board: special butterfly screws for enhanced stability

Screw hole spacing by model:

* 3.5 inch 9W – 63mm

* 4 inch 15W – 83mm

* 6 inch 20W – 123mm

* 8 inch 30W – 153mm

* 12 inch 40W – 257mm

Note: Hole spacing is not equal to lamp body size; slight manual measurement deviations may occur.

Physical Characteristics:

Ultra-thin lamp body with ceiling surface mount design, no ceiling hole required

Slim, stylish, compact and exquisite appearance

Available in classic black and white colors

Integrated alloy material with multi-layer paint finish for durability, corrosion and rust resistance

Frosted texture lamp body for durability and easy cleaning

Large diameter high-transmittance diffuser for wide light distribution, soft and comfortable illumination without glare

95% luminous surface area

Optical & Electrical Specifications:

Power options: 9W, 15W, 20W, 30W, 40W

Light source type: SMD LED

Color temperature options: 3000K (warm white), 4000K (neutral white), 6000K (cool white)

Color rendering index (CRI): ≥85 (high CRI for vivid and natural color rendering)

Beam angle: 120°

Flicker-free, no visible flicker

IEC certified

Dimensions (Diameter x Height):

3.5 inch (Ø105mm x H40mm)

4 inch (Ø140mm x H40mm)

6 inch (Ø180mm x H40mm)

8 inch (Ø230mm x H40mm)

12 inch (Ø298mm x H40mm)

Warranty:

3 years

Additional Features:

Three selectable light colors to suit different ambiance needs

Two color options for lamp body: black and white

Suitable for various indoor environments

Easy and safe installation with clear instructions; power must be cut off before installation

Note:

Data provided by manufacturer; actual product performance may vary due to testing environment differences.