Dakota AlertWireless Receiver RE-4K Plus Up to 1km Range Compatible with all Dakota Alert 4000 Series Sensors: SBB-4000, DCHT-4000, DCMT-4000, DCPT-4000 and UT-4000 Transformer Transmitter

Dakota Alert Wireless Receiver- RE-4k Plus- 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 Driveway Alarm Sensor - DCPA-4k Plus Driveway Alarms Wireless Outside Weatherproof Alert System, 1-Mile-Long Range Sensors, Receiver & Vehicle Detecting Probe Transmitter & 50' Wire

Dakota Alert UT-4000, Universal Transmitter for Wireless Home Security & Doorbell-1 Mile Long Range, Compatible with 4000 Series Receiver, Driveway Alarms Wireless, Mailbox Alert, Weatherproof Sensor