TCP Smart Wi-Fi Dimmable RGBW LED Lightbulb (E27) - Works with Alexa and Google Assistant Our white Wi Fi TCP Smart bulbs can be set by voice or using the TCP Smart app. Set timers or routines, dim the lights or create the perfect ambience with over 16 million colour options! All white and RGB colour lights feature: o Control by app or smart speaker Alexa and Google. o Group lights for one simple operation. o No hub required and easy to install. o Location activated (LIFTTT), lets your appliances turn on/off when you are near or leave your home or office. o Set schedules and timers. o Lasts up to 25, 000 hours or 25 years.