±10-year lifespan Instant wireless dimming Bluetooth and Hue Bridge compatible White and color light 400 lumens A perfect fit for spotlights, GU10 bulbs give you access to the best of smart lighting. With white and color light as well as ultra-low dimming, these bulbs can help you create immersive experiences, support your routines, and more. Features Software upgradeable Yes Number of switch cycles 50000 Deep dimmable Yes Dimmable Yes Rated lifetime 25000 h Bulb lifetime 25000 h Bulb power 4.2 W Power factor 0.5 Color Rendering Index (CRI) 80 Luminous flux 400 lm Colour temperature (max) 6500 K Colour temperature (min) 2000 K Light colour Multi Colour changing Yes Bulb shape Spot Fitting/cap type GU10 Product colour White Interface Bluetooth/Zigbee Type Smart bulb Performance Applications supported Hue app Applications support Yes Voice control Yes Works with the Google Assistant Yes Works with Amazon Alexa Yes Power Input voltage 220 - 240 V Power consumption (standby) 0.25 W Weight