The Halo Home RL4 is an integrated LED module with Bluetooth® Mesh connectivity for 4 in. aperture recessed downlights. When paired with the Halo Home mobile app or Halo Home in-wall dimmers, the RL4 can be wirelessly controlled. Suitable for new construction, remodel and retrofit installation. Listed for use with Halo 4 in. housings and classified for use with other 4 in. housings, air-tight and can be used with housings in direct contact with insulation. The RL4 is designed to connect to the Halo Home Bluetooth® Mesh network with no hub or internet connection required.