Add smart control anywhere-no wiring required. The Leviton Decora Smart Anywhere Switch Companion provides wire?free On/Off control exactly where you need it-such as at the base of a staircase or the end of a hallway. Mount with the included adhesive or wall box screws, and place within 50 ft. of a primary Decora Smart Wi?Fi 2nd Gen device such as the Switch (D215S) or Mini Plug?In Switch (D215P, sold separately). Control lamps, electronics, and small appliances, or expand your system with wire?free 3?way and multi?location control-no wiring required.