11-inch LED mushroom ceiling light you described has the following specifications:
Dimensions: 11 inches in diameter (approximately 280mm).
Power: 20 watts (20W). This indicates the energy consumption of the light.
Mounting: Surface mounted. This means the light is designed to be installed directly on the surface, such as a ceiling, without the need for recessed installation.
Finish: White finish. The outer surface of the ceiling light is white.
Color Temperature: 5000K. This refers to the color appearance of the light and indicates a cool white light, often used in workspaces and areas where bright, daylight-like illumination is desired.
Input Voltage: 120Vac, which means it operates on the standard voltage commonly used in North America.
Dimmable: Triac dimmable. This suggests that the light can be controlled and adjusted in intensity using a Triac dimmer switch.
Luminous Flux: 1600 lumens (1600lm). This indicates the brightness level of the light emitted by the ceiling light.
Color Rendering Index (CRI): CRI80. CRI is a measure of how accurately the light source represents colors compared to natural light. CRI80 means it provides good color rendering, with colors appearing reasonably true to their actual tones.