The DNKIT includes (1) MLWSB and (1) DN6HD. The DN6HD Leviton Decora Smart No-Neutral Dimmer, along with the required Wi-Fi Bridge, MLWSB, lets you dim and brighten lights from anywhere. This is the perfect retrofit solution to install smart lighting control in older homes that may not have neutral wiring available in the wallbox. Add optional wire-free 3-way/multi-location where you need it, simply pair with a wireless DAWDC Anywhere Dimmer Companion or DAWSC Anywhere Switch Companion (no wiring required). Rated for dimmable LED and CFL loads up to 300-watt or incandescent and MLV loads up to 600-watt. Line, Load and Ground connection required. The Wi-Fi Bridge is an easy-to-install plug-in that is required to enable smart features for Decora Smart No-Neutral devices, such as connectivity to My Leviton, Apple HomeKit, Alexa and Google Assistant. Its small form factor lets you plug it into any outlet without taking up space on a shelf or desk. Pairing a Decora Smart No-Neutral Dimmer (DN6HD) or No-Neutral Switch (DN15S) with a Wi-Fi Bridge makes it easier than ever to install smart lighting control in homes without neutral wiring in the electrical wallbox. The Wi-Fi Bridge provides up to 2500 square feet of coverage. Place in a central location within 50 feet of Decora Smart No-Neutral devices. 1 bridge supports up to 25 devices. Multiple bridges can be installed per residence to provide increased coverage in larger homes.