1.This is a remote control color-changing LED RGB bulb. It is suitable for a variety of purposes. It is not only a spotlight, but also has a beam angle of up to 45 degrees, 450 lumens, and an 85CRI ultra-high display. It is very convenient to use and adjust the color and brightness. 2.This par16 lamp has 12 colors to choose from, 3 levels of adjustable brightness, and can set a variety of lighting effects to meet different environmental needs and reflect different moods. It is environmentally friendly and energy-saving, equivalent to 40W of power. It can also remember the color or mode we used last time. 3.Two lighting modes allow you to set the right atmosphere at any time, bringing you a better visual experience. The flash mode brings you a stage effect when enjoying a concert or stage performance, just match the light and the atmosphere to create an immersive feeling. The smooth mode automatically cycles through the light colors in different atmospheres. It can also adjust the rhythm to create a more romantic atmosphere. 4.The synchronization function is a revolutionary innovation, which is very suitable for environments where multiple bulbs are used at the same time, such as fan lights, downlights, chandeliers, etc. When we use the flashing mode and the smooth mode, the rhythm of the bulb color change can be kept consistent. Note: One remote control can control all bulbs.