Smart dimming Easy plug and play Tunable warm to cool white and preset modes Control from anywhere Automate your light with schedules Energy monitoring Customised Scenes Voice control Features Rated luminous flux 640 lm Product title PHI WFB 50W ST64 E27 920-50 Amb 1PF/6 Eye comfort Yes Instant full light Yes Number of switch cycles 20000 Start-up time 0.5 s Bulb lifetime (@ 2.7 hrs/day) 15 year(s) Colour consistency (SDCM) 6 Bulb current 43 mA Luminous efficacy 91 lm/W Lumen maintenance factor 70% Dimmable Yes Suitable for indoor use Yes Rated lifetime 15000 h Equivalent bulb power 50 W Bulb power 7 W Power factor 0.5 Color Rendering Index (CRI) 90 Luminous flux 640 lm Colour temperature (max) 5000 K Colour temperature (min) 2000 K Light colour White Bulb size ST64 Fitting/cap type E27 Product colour Gold, Translucent Bulb type LED Type Smart bulb Power AC input voltage 220-240 V AC input frequency 50 - 60 Hz Rated power 7 W Input voltage 220-240 V Energy consumption per 1000 hours 7