Dakota Alert DCRH-4000 Wireless Driveway Alarm System – DCR-4000 Receiver and DCHT-4000 Transmitter Box with 25-FT…

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DETECTS INCOMING VEHICLES – The Dakota Alert DCRH-4000 consist of a DCHT-4000 transmitter that detects cars driving over the 25-ft hose. It auto-sends a wireless alert signal to the DCR-4000 receiver.
HELPS MONITOR YOUR PROPERTY – The included DCR-4000 Alarm Receiver operates in 433 MHz frequency and can receive alerts from the DCHT-4000 even if it is up to 1 mile away.