ALTA Industrial Wireless Open-Closed Sensors, 900MHZ

This plug-&-play sensor alerts you when something’s left open or unexpectedly accessed. Use in restaurants, labs, server rooms, remote facilities, or vacant buildings. Know doors, walk-ins & cabinets are secure. Monnit MNS2-9-IN-OC-ST Features1,200+ foot range12+ year battery life80+ wireless sensorsBank-level AES securityUp in 15 easy setupGlobal ready (900, 920, 868 & 433 MHz) Magnetic Sensor SpecificationsContact Rating: SPST, gold under -plating with Deactivated Rhodium outer-platingSwitch Cycles: 50 millionOperation Gap: Up to 3/4 inchWire Leads: 22 gauge / 13.5 in length (± 1.5 in)Magnet: AlnicoMagnet Case Construction: Weatherproof, high-impact ABS plastic with self-adhesive backingMagnet Temperature Range: -15°F to 160°F (-25°C to 70°C)Variation SpecificationsSecurity: Encrypt-RF® (256-bit key exchange and AES-128 CTR)UL Rating: UL Listed to UL508-4x specifications (File E194432)Weight: 4.5 oz. (128 g)ALTA Industrial SpecificationsSupply Voltage: 2.0 - 3.8 VDCBatter