Dimmable. Just 56mm height. Works with Alexa and Google Home, 5W Equal to 50W Spot Bulb, RGB+White+Warm White Colour Changing Mood Light, Controlled by Smart Devices, No Hub Required WiFi REMOTELY CONTROL: Take control of your lights from anywhere with your ios/andriod smartphone or tablet. ENERJSMART App allows you to control a single GU10 smart bulb, or group bulbs and control them together. Make sure your network is 2.4GHz wifi network, not be 5Ghz WIFI! COMPATIBLE WITH ECHO ALEXA: Connect to Amazon Echo Alexa successful, you will control this gu10 alexa smart bulb with your voice DIY COLORS & BRIGHTNESS: Create your favorite light effects with 16 million colors and the brightness of every gu10 wifi colour is dimmable. Not just RGB but also choose from cool white to day light to warm white. TIMER & MORNING COLOUR: Schedule your WIFI Bulb to turn ON/OFF at preset time or color. Let your favorite colour wake you up or put you to sleep, start a beautiful day from the moment you wake u