Wsdcam Split Door Open Chime wireless range of up to 918ft in the open air. The magnetic sensor activates when the magnetic stripe is separated, it transmits a . Wireless Door Open Chime, door sensor chime, Door Window Security Alarm-Operating, Range – 650FT/52 Chime Tunes/LED Indicators, 1 Magnetic Door . Find great deals on eBay for Sensor Door Chime in Door Bells. Shop with confidence. Find great deals on eBay for Door Entry Chime in Door Bells. Shop with confidence. Find great deals on eBay for Door Entrance Chime in Home Security Sensors and Motion Detectors. Shop with confidence. This is a wonderful Door Entry Safety Security Alarm Chime Bell. Ideal for oberving visitors to offices, homes . The SL-7368-02 entry alert door chime features a sensor that activates the . The SL-6168 is great for small business, stores, workshops or anywhere there is a . Chime sounds when motion is detected at driveways, office & retail entrances . for detecting cars, people or pets / Outdoor sensor with inside chime receiver . Honeywell Series 9 Portable Wireless Doorbell / Door Chime & Push Button Fosmon WaveLink 51004HOM Wireless Door Open Chime Sensor Alarm Doorbell for Store, Restaurant, Business . Sold & Shipped by Great Brands Outlet.