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

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. OFFERS AN EXPANDABLE ALERT SYSTEM - You can pair up to 16 DCHT-4000 transmitters or other Dakota Alert 4000 Series Transmitter with a single DCR-4000 receiver. PROVIDES LONG LASTING OPERATION - The outdoor transmitter can last up to 6~12 months under normal conditions thanks to its robust 9V alkaline battery. WORKS FOR MANY TYPES OF LOCATIONS - The DCRH-4000 System can be used to cover a residential driveway or a commercial drive-thru. Please avoid mounting it on steel post as this may cause signal interference.