Dakota Alert SBA-4K+ Long Range, Outdoor, Weather Proof, Solar Break Beam kit, One Mile Wireless Range Driveway Alarm Kit - SBB-4000 Solar Break Beam Transmitter and RE-4K+ Receiver

Dakota Alert SBA-4k Plus Solar Break Beam Driveway Alarm Kit - Long Range, Outdoor, Weatherproof, Up to 1 Mile Wireless Range - Includes SBB-4000 Transmitter & RE-4k Plus Receiver | Property Alarms

Dakota Alert Wireless Driveway Alarm Sensor - DCMT-4000 Long Range, Passive Infrared Motion Detection, Home Security, Backyard Monitoring, Entry Alert, Wireless Doorbell

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