You will a Lurton Pico wall plate bracket if you 'd like to mount a Pico inaccessible try out directly to a wall, for an added point of try out when using a Caseta Wireless dimmer. You 'll also a wall plate bracket if you 're replacing existing switches in a 3-way application -LRB- where lights have two or more wall switches -RRB- with a Caseta Wireless In-wall dimmer and a Pico inaccessible try out.