Lutron Caseta Wireless Wallplate Bracket for Pico Remote …

You will need a Lutron Pico wall plate bracket if you’d like to mount a Pico remote control directly to a wall, for an additional point of control when using a Caseta Wireless dimmer. You’ll also need a wall plate bracket if you’re replacing existing switches in a 3-way application (where lights have two or more wall switches) with a Caseta …

https://www.amazon.com/Caseta-Wireless-Wallplate-Bracket-PICO-WBX-ADAPT/dp/B00JZRAFEA