$79.95 (as of 11/10/2017 07:07 PDT details )
Features:
- Wireless and Included Battery Powered Unit is Easy to Install
- Pet Immunity Signal Processing Prevents False Alarms for Homeowners w Pets Weighing Up to 40 Pounds
- Passive Infrared Detection Senses Movement Within a Room By Sensing the Infrared Energy heat Emission from a Person As They Move Across a Room
- Low Battery Reporting Indicates When Batteries Need Replacing Before They Expire
- Cover Tamper Switch Detects Potential Disablement or Damage to a Sensor By an Intruder