Product DescriptionThe wireless open/closed sensor will give you the status of doors, windows, etc. Know if a building or specific area is being accessed when it should not be, or if a door or window has been left open. Set your Temp Alert system to notify you via SMS text, email, or both.Temp Alert Industrial Sensors come in an IP66, NEMA 4X, CE rated, sealed, and weatherproof enclosure. They are powered by a single, replaceable, Industrial grade 3.6 V battery (included).Suggested Application Commercial property door and window access Residential property door and window access Bank owned foreclosure properties access monitoring Restricted area monitoring IT server rooms and closets Freezer and cooler doors Shipping cargo bay door monitoring Garage door monitoring Magnetic Sensor Specifications Switch Cycles 50 million Operation Gap Up to 3/4 inch Wire Leads 22 gauge / 15 inch length Magnet Alnico Magnet Case Construction Weatherproof, high-impact ABS plastic with self-adhesive backing Magnet Temperature Range -15°F to 160°F (-25°C to 70°C) Industrial Specifications Battery Type Replaceable, Single AA, 2500mAH, 3.6V Battery Dimension 3.7 in x 2.32 in x 1.38 in Max Operating Temp -40° to 85°C (-40° to 185°F) Supply Voltage 2.0 - 3.6 V Device Range 300 - 350 ft. non-line-of-sight device range* Battery Life Up to 5 Year Battery Life.** Optimal Battery Operating Temp +10°C to +50°C (+50°F to +122°F) Solar Power Option 3.0 vdc solar panel Enclosure Material IP66 NEMA 4X, CE rated, sealed, weatherproof enclosure 900 MHz Specifications Operating Frequency 900 MHz Operating Frequency Certifications Complies with Part 15 of the FCC Rules. (FCC ID: ZTL-RFSC1)Complies with Industry Canada standards. (IC: 9794A-RFSC1) Sensor Comes with:Single AA, 2500mAH, 3.6V BatteryMounting adhesive tape