Home device listens for fire alarms, then shuts all doors

ZDNet | Jan 17, 2020 at 12:00 PM
  • Sprinklers help stop fires, but most houses aren’t equipped with them.
  • A product called LifeDoor, cofounded by Sellinger, takes a stab at a solution.
  • It’s a smart home gadget that’s tuned in to the sound of home fire alarms and automatically closes the doors.