Philips hue led smart light bulb starter pack with bridge edison screw cap e27hue bulbs bring the power of dimming and brightening your lights to your smartphone or tablet hue bulbs produce beautiful warm white light that can be adjusted to suit any occasion hue light bulbs connect using your wi fi allowing you to alter the brightness simply by using the philips hue app for ios and android hue light bulbs can be grouped together so you can set the mood in a room in one go