WeMo Link allows users to access and control WeMo Smart LED Bulbs from anywhere, using existing home Wi-Fi network and mobile internet. The device can dim lights, turn them on or off, or create a custom schedule, all from a smart device. WeMo Link allows users to connect up to 50 WeMo Smart LED Bulbs and control them individually or as a group. Available with bayonet or Edison screw fitting. Not for use with dimmer switches.