Smart controllable via Bluetooth or ZigBee: Philips Hue White Ambiance LED reflector with GU5.3 MR16 base With the smart Philips Hue White Ambiance LED reflector with GU5.3 MR16 base, conventional halogen light bulbs can be replaced. Different white tones from warm white (2,000 K) to daylight (6,500 K) can be set. In addition, the intensity of the light can be dimmed continuously. The control is either directly via Bluetooth connection via smartphone or tablet using a free app or via ZigBee with a corresponding bridge (see accessories). In addition, smart wall switches from the Philips Hue range are also available via the accessories. In addition, the control can also be carried out with voice commands (Amazon Alexa, Google Assistant or Apple Siri). Use with Apple HomeKit (Siri) is only possible with integration via ZigBee bridge. Technical data / compatibility – various white light tones between warm white (2,000 K) and daylight (6,500 K) adjustable – dimmable via app, voice command and dimmer switch – controllable with matching Hue app and Hue Bluetooth app – light control via Bluetooth – direct control on site with free Bluetooth app. When using more than ten lamps, the use of a bridge is recommended. In Bluetooth mode, the On/Off/Dimming functions and preset scenes can be used – Light control via ZigBee – Integration into an existing Smart Home system via a bridge (for example Philips Hue Bridge, see accessories). Full scope of use including automations or control on the move (internet connection required) – Compatible with existing Philips Hue system and other ZigBee-based systems such as from Innogy, Bosch, Telekom (Magenta) and Busch-Jäger – Voice control possible with Amazon Alexa, Apple HomeKit (Siri) and Google Assistant – Controllable with the Hue dimmer switch (see accessories) – Bluetooth range indoors approx. 10 m – Average service life: 25,000 hours – Good switching resistance: 50,000 switching cycles – Operating temperature: -20 °C to 45 °C