Philips Hue White and colour ambience Starter kit: 3 E27 smart bulbs (1100) + dimmer switch. Type: Smart lighting kit, Interface: Bluetooth/Zigbee, Product colour: White. Mobile operating systems supported: iOS 10.0, iOS 11.0, iOS 11.4, iOS 12, iOS 13, iOS 7.0, iOS 7.1, iOS 7.2, iOS 8.0, iOS 8.1, iOS.... Energy efficiency class: F, Power consumption (standby): 0.5 W, Power consumption (max): 9 W. Width: 219 mm, Depth: 176 mm, Height: 140 mm. Package type: Box, Package width: 21.9 mm, Package depth: 17.6 mm