GE Link, Wireless A19 Smart LED, PSB19-6PCK, Soft White, 6-Pack Includes 6 LED light bulbs that can be controlled remotely via the Wink mobile app Wink HUB required to connect bulbs (sold separately) 22.8 year lifetime (based on 3 hours/day), estimated energy cost $1.20/year Bulbs use 80% less power than traditional ones Soft white, indoor light bulbs dimmable via the Wink app