Dimmable and Color-Tunable LED Bulbs, 4-Piece Set, E26, with Remote Control, lucimo Series Used for about six months. Please understand that these are used items. The following is quoted from the sales page at the time of purchase: LUC-6WE26C Bulbs x 4 Power Supply: 100v・50/60Hz Rated Power Consumption: 6w Socket Size: E26 Body Size: Approximately 8.6cm x 3cm (Overall Height x Diameter) Luminous Flux: 500lm / Equivalent to 40w Light Color: Warm White 3000k ~ Daylight 6500k (Color Adjustable) Brightness Adjustment: 5% ~ 100% (Dimmable) Materials: Aluminum, Plastic Design Life: 25,000 hours Functions: [All On/Off Function] Turns all bulbs within range on or off. [Individual On/Off Function] Turns only specified bulbs within range on or off. [Brightness Adjustment Function] Adjusts the brightness of the lit bulbs from 3% to 100%. [Color Adjustment Function] Adjusts the color of the lit bulbs from warm white to daylight. [All Light/Night Light Switching Button Function] Switches the lit bulbs between all lights (100% brightness) and night light (3% brightness) in two stages. [Color Tone Switching Button Function] Switches between three stages: warm white, natural white, and daylight. [Channel Switch Function] Selects each of the bulbs divided into 4 groups and adjusts the brightness and light color. *Bulbs that can be set in one group are from 1 to 50. [Memory Function] When turned on next time after turning off, it turns on with the brightness and color at the time of the previous off. [Off Timer Function] Specifies the lighting time to 30 minutes or 60 minutes. [Favorite Button] Changes to the light color and brightness memorized in advance with one button. Product Description: The Lucimo series of dimmable and color-tunable LED bulbs that control the lighting in your home with a single remote control. No electrical work or replacement of lighting fixtures is required; you can make it a high-performance remote control type lighting just by changing the bulbs. One remote control can operate up to 4 channels, allowing you to control the bulbs throughout your home. ↑↑↑ End of Quote ↑↑↑