High Sensitivity.

Features:

• Compatible with Blue Iris via our USB Dongle.
• Indoor only, Keep away from HVAC vents (These can false alarm).
• Point sensor away from windows where possible.
• Range: Up to 330 Feet from Alarm Receiver.
• Batteries: X3 AAA Batteries
• On / Off Switch on side
  
• Optional Micro USB Power (You can use the batteries as a backup)
• Led can be disabled for discrete operation
• A repeat transmit delay can be enabled (5 Minutes) via jumper to extend battery life up to 5 years.