Place these two GU10 smart LED bulbs in any spotlight to get instant wireless dimming and warm-to-cool white light in any room. Features: Bluetooth enabled Hue Bridge enabled Warm-to-cool white light Instant control via bluetooth Control wit app or voice Works with Amazon Alexa Google Assistant Apple HomeKit (Via Hue Bridge) Microsoft Cortana (Via Hue Bridge) Add Hue Bridge to unlock more Specifications: Dimensions: H:5.8 x W:5.0 x D:5.0 cm Colour: White Guarantee:2 years Material: Plastic Model Number: 929001953310