👀 LONG WIRELESS RANGE: The MUIRS Alert Transmitter has a wireless range of up to several miles back to the M539- BS Base Statioin or M538-HT Hand Held Radio. | 🚨 QUICK NOTIFICATION: The Dakota Alert Driveway Alarm system provides a fast and reliable way to stay informed about any activity on your property. When the PIR sensor detects a person, the transmitter automatically sends a pre-programmed message to a MURS M538-BS Base Station or M538-HT Radio Transceiver. | 🔍 READILY EXPANDABLE: The Dakota Alert MURS Alert Transmitter is easily expandable to meet your needs. You can add more MATs to your system, allowing you to put one in the driveway and more inside and outside of the house. | 👉 LONG DETECTION RANGE: The Dakota Alert Driveway Alarm system is equipped with a PIR sensor that can detect moving objects up to 80-ft in front of the transmitter box. This long detection range ensures that you are notified of any activity on your property, no matter how far away it occurs. | 🇺🇸 USA-BASED WITH EXPERIENCE: Dakota Alert is a South Dakota-based company with over 30 years of experience in the wireless driveway alarm industry. We ensure top quality with all of our products.