High Quality LED Downlights:Our 15W downlights with the latest SMD LED technology have A++ energy efficiency and lower consumption, save up to 90% compared to halogen bulbs, integrated design eliminates the need for a drive external power supply and has good heat dissipation. No UV rays, no eye irritation, better eye protection. Ultra-Slim Spotlights:The height is only 29.5mm.Connected directly to 230V, no other transformer or accessories required. 2 springs fitted on each side to make the spots more stable on the ceiling. This type of ultra-thin spotlight is special in that it is extremely extra flat, which is perfect for decorating interior ceilings. CCT - 3 Adjustable Lighting Colors:Adopted new design, the recessed spotlights can be adjusted to 3000K (warm white) or 4000K (neutral white) or 5700K (cool white) to meet your needs. Simply choose the lighting color that best suits your home with a green rocker switch. Please choose your requested lighting color option prior to installation. Dimable Ceiling Lights:ALUSSO downlight can be dimmed from 10% to 100% brightness and 120wide beam angle can illuminate more space to meet your different needs - compatible with trailing edge dimmers . Please note: the dimmer is NOT included in delivery, our downlight can also be operated at full power without the dimmer. Specification: Power: 15W, Color Temperature: Warm White/Neutral White/Cool White, Face Ring:White, Material: Plastic, Chip: LED Chip, Cutout: 145-160mm, Diameter: 175mm, Height: 29.5mm.Waterproof:IP44