The Mi Smart LED Bulb (Warm White) uses 2700K beads that have a low color temperature and warm yellow light. The result is soft lighting that helps you relax and makes your home feel warmer. The brightness reaches 810 lm and can be adjusted anytime. Go from darkness to daylight with a click of a button.The Mi Smart LED Bulb (Warm White) can be connected via Wi-Fi to your smart home system without a gateway. After installing the bulb, simply connect to the Mi app and start enjoying your smart lighting.