There's nothing like walking into a space that feels instantly inviting. When paired with a Shelly BLU Motion sensor, the bulb turns on in your preferred lighting as you enter - from bright, cool whites to soft, warm hues, or a splash of color to welcome you home and lift the mood. As you unwind, it can fade to a gentler tone. When the room is empty again, the light fades away, saving energy and removing the need to ever flip a switch.