Request Service Request Estimate
Call Today: 503-632-3070

836LM – Extra Sensor – Perimeter Alert

Detects motion of pedestrians and vehicles when they approach your home and property. Box contains 1 sensor unit, and mounting bracket and hardware.
Contact us about this product
  • To be used with the LiftMaster® Perimeter Alert (835LM)
  • Detects motion up to 30 feet away with wide 120 degree coverage
  • Transmits signal to base up to 1/2 mile away
  • Features adjustable sensitivity control to prevent false alerts from small animals
  • Durable, weatherproof design
  • Connect 1 base station with up to 4 motion sensors
  • Easy to install and use
  • Requires four AA batteries
  • 1-year warranty

Additional Information

About Us Services FAQ
-->