. Take control of your lighting with this Philips Hue White and Coloured Ambiance smart light bulb twin pack. Because these bulbs can be controlled from your phone or tablet you won't have to interrupt movie night to turn them off. And with 16 million colours to choose from you can enjoy the perfect atmosphere whether you're having a party or settling down to a good book. Each bulb has a standard bayonet fitting and a 25000-hour lifespan too so they won't need changing very often. Before you go away you can set them on a timer so it looks like you're still at home and the brightness can be dimmed as well – perfect for those relaxing Saturday nights.Please note to use these Philips Hue bulbs you'll need to download the free Philips Hue Bluetooth app which is compatible with all iOS and Android devices. If you would like to control the lights outside your home or you have more than 10 Bluetooth smart lights you'll also need the Philips Hue Bridge (sold separately). Key Features . Smart light bulb – control from your phone or tabletWhite and coloured bulb – choose from 16 million shadesBayonet fitting with 25000 hour lifespanSchedule a timer to turn lights on automaticallyControl the settings remotely via the Hue Bluetooth app . Product Specifications . Dimensions (H)11.0 x (W)6.2 x (D)6.2cmLifetime (Hours) 25000Lightbulb Fitting B22Lightbulb Type B22Ambiance White and ColourProgram On and Off YesDimmable Lights YesMobile App Yes. .