Formed in 1874, ADT (American District Telegraph) was the first telegraph-based alert system. ADT security systems can monitor leading home equipment from GE, Honeywell, and ITI. If you are wondering, what does an ADT home security system cover when you choose one from the Traditional, Remote, and Video Packs, here it is:

ADT home security packages & pricing
ADT monitor systems from other home alarm system for a monthly price of $19.99. For getting new ADT equipment, you need to choose from five monitoring packages, ranging from $36.99 to $52.99 a month. Moreover, going for a 2-year, 3-year or more subscription will get you additional feats such as a free wireless video camera, free equipment installation, setup, etc.

• Wireless keypadTraditional [$19.99/month + $125 Upfront Cost]
  With a monthly price of $19.99, you can get the Traditional Package offered by the ADT Home Security. Here’s the answer to the question what does an ADT home security system cover when you go for the Traditional Package:
  Equipment
  4 door/window sensors
  Services
  24×7 professional monitoring
  6 months money back guarantee
  QSP warranty

Features
Cellular connection
Carbon monoxide monitoring
Fire & smoke monitoring
Water detection & temperature monitoring

• Remote [$36.99/month + $125 Upfront Costs]
  For a monthly price of around $36.99, you can opt for the Remote Package offered by the ADT home security system.

Features
Carbon monoxide monitoring
Cellular connection
Email and text notification
Fire and smoke monitoring
Remote web and mobile access
Water detection and temperature monitoring

Services
24×7 professional monitoring
6 months money back guarantee
QSP warranty

• Video [$52.99/month + $125 Upfront Costs]
  Available for a monthly recurring price of around $52.99, you will get an entire video package for the ADT home security system. Are you wondering what does an ADT home security system cover when you opt for the Video package:
  Equipment
  4 Door/Window Sensors
  Wireless Keypad Services
  24×7 professional monitoring
  6 months money back guarantee
  QSP warranty

  Features
  Cellular connection
  Carbon monoxide monitoring
  Email and text notification
  Fire and smoke monitoring
  Garage door controller
  Lighting and thermostat control
  Remote lock/unlock door control, secure video, and web and mobile access
  Water detection and temperature monitoring