Yeelight W4 GU10 Smart Bulb – Dimmable (4-Pack)

Transform your home lighting with the Yeelight W4 E27 smart LED bulbs (4 pack). Each bulb outputs 806 lm while drawing a mere 9 W, offering energy‑efficient illumination with fully adjustable color temperature from a cozy 2700 K to a crisp 6500 K. Effortless dimming lets you tailor brightness for any moment—waking up at sunrise, focusing on work, or winding down at night.

Seamless integration with Google Assistant, Amazon Alexa, Apple HomeKit, Samsung SmartThings, and Yandex Alice puts voice control at your fingertips. Prefer your smartphone? The MiHome app unlocks remote on/off, color‑temperature adjustment, grouping, and custom scene creation ("Reading," "Movie Night," "Dinner Party," etc.). Set schedules or use timers to automate daily routines—no more forgetting to switch off lights.

Installation is plug‑and‑play in any standard E27 socket; no hub required thanks to 2.4 GHz Wi‑Fi connectivity. Compact, lightweight design blends into any fixture, while OTA (over‑the‑air) firmware updates ensure you always have the latest features. With four bulbs included, you can instantly smarten an entire room—experience perfect lighting control and energy savings with Yeelight W4.