Discover the robust and versatile alula RE207T, an outdoor door/window sensor compatible with 2GIG systems. Boasting an industry-leading wireless range and exceptional battery life, this device ensures reliable performance in any weather. Its wide magnetic gap allows for flexible installation, and with two built-in external contact zones, it can monitor multiple openings from a single unit. The IP67 weatherproof enclosure and a temperature tolerance from -40° to 158°F make it ideal for harsh environments. Dimensions are 3.3 x 1.3 x 2.8 inches. Enjoy peace of mind with a 5-year warranty. Upgrade your home security today!