[16 kinds of static effects and 4 kinds of dynamic effects.] 16 static lighting options with 8 brightness levels, 4 static modes with 3 speed adjustments. Flash mode provides a dynamic scene effect ideal for concerts or stage performances, creating an immersive atmosphere. For a calm and relaxing environment, the smooth mode gradually transitions through color gradients. [RGB LED Downlights.] 180 lumens, 85-265VAC wide voltage operation, energy efficient replacement for 15W halogen bulbs using only 5W, no flicker or glare, 140-degree beam angle, delivers high-quality light with excellent color rendering for natural and vibrant results. [High quality.] Constructed from premium aluminum alloy. Built-in over-voltage and short circuit protection. Environmentally friendly, low heat output, no UV or infrared radiation, low power consumption, up to 90% energy savings. CE certified for safe home use. [Easy to install.] Cut a hole to the required size (outer diameter: 68mm, cutout size: 50mm, height: 27mm). Connect the light directly to the mains wiring (no transformer required, compatible with 220V). Secure by pressing the springs and inserting the light into the opening. [Suitable for various settings.] Ideal for use in homes, bathrooms, hallways, dining rooms, living rooms, as well as commercial spaces such as bars, libraries, reception areas, exhibition rooms, and KTV lounges to enhance ambient lighting.