Transform the way you control your home lighting with the new LED smart range from Crompton lamps. This range of LED smart light bulbs allows you to control your lighting using voice commands via Amazon Alexa or Google Home device or at the swipe of your finger from your Android or iPhone smartphone via the Tuya App. With the ability to change the colour of your light, turn your light on and off, dim the lights or even schedule your light to turn on and off based on your location or time, the future of lighting really has arrived.Crompton Lamps LED smart lighting range features a built-in TUYA wifi chip in each light bulb, allowing direct connection to your home WIFI with no extra bridge required, making installation cheaper and easier than other Smart lighting ranges.Coupled with the smart technology, these LED smart candle bulbs have the advantage of being much more efficient than the incandescent versions they are designed to replace, consuming only 5W of power yet producing light of an equivalent brightness to a traditional 40W bulb. This remarkable efficiency - when considered alongside each bulbs vastly improved longevity and reliability - can potentially reduce your lighting bill by up to 90% whilst simultaneously reducing carbon emissions.Control your lighting via home hub or appDirect WIFI connection - no additional bridge required15,000 hour rated life10,000 switching cyclesDimmable via home hub or appRecommended for indoor use onlyB22d - Bayonet Cap (BC) fitting3000K warm white + colour changing470 lumens40W incandescent equivalentDimensions: Diameter = 37mm, Height = 114mm3 Year manufacturers LED limited warrantyThese light bulbs require the Tuya app to be installed on your phone and they must be installed in range of a 2.4 GHz 802.11b/g/n WIFI signal in order to operate with full smart functionality.