Brand: meross Features: 【Alexa Light Bulbs】Meross smart bulb is compatible with Alexa Echo ,Echo dot ,Google Home Assistant and IFTTT. Just 3 steps, you can control lights (individual or group) with your voice.(e.g. 'Alexa, turn the ceiling light to purple') 【WiFi Smart Control】Simple and Quick to Set Up. Bulb dimension ø60*119mm. It can be easily fitted into B22 bayonet screw lamp holder and replace old light bulbs. Connect directly to a 2.4Ghz Wi-Fi router, no hub/bridge required. Use meross App for smart lighting control. 【Energy Saving and Long Lifetime】With a life of 15,000 hours. Using 9 watts of energy and just 1.38 per year to operate, this bulb saves up to 85% per year and 107.11 over its lifetime compared to its incandescent equivalent. (based on 3 hours/day, 0.14 /kWh; may vary depending on rates and use) 【Set Schedule & Timer Function】Time to enjoy a smart home and customize a schedule or scene of all your lights. By presetting timers or routines on Meross APP, you can set sunrise, sunset, movie and away mode for each room. 【Easy Dimming】Warm White+Cool White+RGB(2700K~6500K) . Experience easy and smooth dimming. The bulb provides a warm white light, creating a comfortable atmosphere in kitchen, living room, gym, garden, table lamp, cafe, bar. Package Dimensions: 5.2 x 4.4 x 2.7 inches