Home office busy light - Wifi enabled LED's in the door jam linked to my work calendar, when I'm in a meeting they turn red and the kids know they can't come
Amazon.com: Signaworks Luxafor Flag LED USB Busy Light Indicator (20 inch Cable) : Signaworks: Electronics
Amazon.com: Kuando Busylight UC Omega (15410) - Presence Light and Ringer - Busy Light for The Office - Free Busylight Software for Most UC Platforms and Softphones : Office Products
kuando Busylight Alpha by Plenom - Office intelligence
Work From Home Tip: Do Not Disturb Desk Light
Amazon.com: Kuando Busylight UC Alpha (15306) - Presence Light and Ringer - Do not Disturb Light - Free Busylight Software for Most UC Platforms and Softphones : Office Products
BUSYLIGHT: The Next-Level “Do Not Disturb” Sign - Red Level
Amazon.com: Blynclight Plus - busy light for the office (with ringer) : Office Products
Luxafor Flag - LED Busy Light Indicator | Led, Supplies diy, Diy hacks