DEI 508D Invisibeam Field Disturbance Sensor


SKU: 508DCategories: Car Safety & Security

  • The Directed 508D proximity sensor detects motion events using RF (radio frequency) field disturbance technology.
  • It emits a radio wave and looks for any disturbances in the wave, which if detected can trigger a warn away signal or a full trigger of your car security system.
  • The 508D is one of the most accurate motion sensors in the car security market, and is a great addition to any security system.
  • The Directed 508D proximity sensor is perfect for use in convertibles so you can arm your car with the roof down and rest assured that if someone reaches into the vehicle the security system will trigger.
  • The 508D can also be used for standard roof vehicles, for times you wish to arm the vehicle with the windows down, if someone reaches in your alarm will trigger.
  • This sensor features a dual sensitivity adjustment feature, where you can adjust the inner and outer fields (inner field is full trigger, outer field is warn away)

Shipping & Delivery

Free shipping applies to orders $50 and over shipped within the 48 Contiguous U.S. States. Most orders ship the same or next business day. Tracking is included and will be updated upon shipment.

Additional shipping fees are required for all other locations (including but not limited to): PO Boxes, APO/FPO address, AK, HI, PR, Guam, Canada, and other countries outside the USA

We will make every attempt to process and ship orders within 2 business days of your cleared payment. We will contact you, should there be a problem or delay with your order. Please allow proper delivery time for your package to arrive.

Orders via UPS Ground arrive within 2-6 business days. Smaller or lighter weight items typically ship via USPS First Class or USPS Priority Mail.