WeMo F5Z0596 Osram Lightify Tunable White Starter Set, Wi-Fi Enabled and App Controlled (Discontinued by Manufacturer) Starter Set includes two tunable white LED A19 bulbs and one WeMo Link. Adjust white temperature from 2700K - 6500K in the free WeMo App. Easy to use. Just plug WeMo Link into an outlet, then download the free WeMo App to your mobile device and screw in bulbs. Connect additional (up to 50) WeMo compatible lights to control individually or as a group in the WeMo App. Not compatible with Amazon Echo. Not compatible with Echo