remote ring infrared infra red red beam entry alert door chime works with door open

infra red infra remote red beam entry alert door chime works with door open Rings in back of store. Works on motion of people. Good for stores that leave their doors open most of the year.
$119.00 each unit (Preferred manufacturer)

* Easy installation - Wireless system
* 200 foot plus transmitting range
* Choice of "Ding" or Ding Dong" or other sounds
* Adjustable volume Loud enough for cleaners or Boot shop or Machine Shop
* Not affected by WIND, SHADOWS, HEAT OR TEMPERATURE FLUCTUATIONS works on motion and body heat combined (INFRARED)
* Optional counter or strobe may be used
* Nine volt battery included
* Battery life of about one year.
* Adjustable PIR sensor
* Built in 12 Volt DC power to run extra sound to another room or another part of the building (IE can ring in more than one place at same time)
*
o Powered by 9 volt battery
o Long battery life circuit design
o Fully automatic, no alignment required
o Ceiling, above door, or side mounting
o No wires, easy installation
o Welcomes with a pleasant chime
o Prevents unannounced entry
o Helps control theft
o One year warranty
o Low Cost