Dakota AlertWireless Receiver- DCR-4000 Up to 1 Mile Operating Range - Compatible with All Dakota Alert 4000 Series Sensors: SBB-4000, DCHT-4000, DCMT-4000, DCPT-4000, and UT-4000 Transmitters

Dakota Alert Wireless Receiver- DCR-4000 Up to 1 Mile Operating Range - Compatible with All Dakota Alert 4000 Series Sensors: SBB-4000, DCHT-4000, DCMT-4000, DCPT-4000, and UT-4000 Transmitters

Dakota Alert Wireless Driveway Alarm System DCPA-4000 One Mile Wireless Range, DCR-4000 Receiver & DCPT-4000 Vehicle Detecting Probe Transmitter with Direct Burial Cable | Outdoor Vehicle Sensor Alarm

Dakota Alert Wireless Doorbell - UTDCR-4000 One Mile Long Range Wireless Door Bell 4000ft, Doorbell, Panic Button, Mailbox Alert System, Universal Transmitter & DCR-4000 Wireless Receiver