Indoor Sensor

(battery)

Indoor Sensor

(battery)
$50.00
Requires Pro Monitoring plan starting at $29.99/mo.
Loud and clear

Loud and clear

The indoor siren is loud enough to hear throughout large homes and is great for heavy sleepers.

Right where you need it

Right where you need it

Install it virtually anywhere in your home and rest easy knowing you'll be alerted during an emergency.

All in sync

All in sync

The ADT Indoor Siren syncs with the ADT Base and the ADT+ app to provide an additional layer of peace of mind.

Complete your ADT system with these products

What's in the box 

  • Indoor Siren
  • 2 replaceable CR123A batteries
  • Mounting hardware
  • User guide
ADT customer picking up a box at the door

Complete your ADT system with these products

Get the ADT
Advantage

Single-app access
with ADT+

Access your Google Nest cameras and ADT security and smart devices all in one spot, from virtually anywhere, anytime.

Live virtual
assistance

Need support or device setup help? Just schedule a time to meet with one of our trained ADT Virtual Assistance specialists to get step-by-step help.

Grows and goes
with you

Easily add new devices to your ADT system anytime, and just as easily take it all with you if you move.


24/7 SMART
Monitoring

Award-winning* ADT System Monitoring and Response Technology lets you quickly verify an alarm for faster police response.