What's required? - A 'Philips Hue Bridge' (sold separately) is required for smart control. Simply connect your Bridge, install your new Philips Hue lights and take advantage of smart outdoor lighting via the 'Philips Hue' app Highlight your outdoors with the Philips Hue Impress [slim]. This kit includes everything you need to install and get started with smart outdoor lighting Style with colour - Choose from 16 million colours including warm to cool white light to create the perfect ambiance for relaxing or entertaining outdoors. Discover the perfect smart lighting for parties, BBQs and more! Feel secure with smart control - Have your lights turn on automatically when you arrive in the dark, or mimic your presence with lights switching on/off randomly while you're away from home! Control lights with your voice - Works with Alexa, Google assistant and Apple homekit devices for hands-free voice control. Control your smart outdoor lights with simple voice commands! Note: The number of lumens depends on the light colour: at 2700K it is 710 lm, at 4000K 1180 lm.