HotaluX HLDC12656SGA Ceiling Light Sold on Amazon for around 18,000 yen. This is a high-end model recommended for security measures, such as a timer for when you're away. ✅ "Comfort Light Mode" automatically controls the optimal lighting according to your daily life rhythm. Based on joint research with Yamagata University, the optimal light color and brightness are programmed for each time of day, and automatically controlled with a single button. This supports your daily rhythm with a comfortable lighting environment from waking up to going to sleep. ✅ "Hotarukku Function" ensures light even after the lights are turned off or during a power outage. You can rest assured that the room will be illuminated with a soft blue-green light for about 2-3 minutes even when the lights are off or during a power outage. ✅ You can select the main lighting color from 21 levels, from white to warm colors, to suit your preference. The brightness can also be set in 10 levels, and the brightness of the night light can be selected from 7 levels. ✅ "Automatic Absence Timer Function" automatically turns the lights on and off (night light on) at a set time. Convenient as lighting to simulate occupancy when you are away for an extended period. Includes a "Sleep Timer" that allows you to select the time until the lights turn off from 60 minutes or 30 minutes. "Fade-off function" that slowly turns off the lights when the off button is pressed. ✅ Wall switch control function included. By quickly turning the wall switch in your room ON/OFF, you can switch the brightness and night light on/off status, in addition to remote control operation. ✅ The lightweight body and the included mounting adapter allow anyone to easily install it. Accessories include a mounting adapter, LCD remote control, remote control batteries (two AAA alkaline batteries for testing), and instruction manual (also a warranty). ✅ Product size: Outer diameter 558mm, height 151mm, weight 1.9kg, applicable tatami mats: ~12 tatami mats, rated voltage: 100V, color rendering property: Ra83, total luminous flux: 5499lm, rated power consumption: 43W, specific energy consumption efficiency: 127.8㏐/w, made in Japan ✅ As an optional function, by replacing the mounting adapter with the separately sold [Amazon Alexa Certified] "IoT Adapter" model name: HX-LINK01, you can control your room's air conditioner, TV, etc., from your smartphone or tablet when you are away from home. (Compatible with infrared remote control appliances)