ALTA Wireless Carbon Dioxide CO2 Sensor - AA Battery Powered, 900MHZ

The mems based wireless carbon dioxide sensor allows you to monitor the level of carbon dioxide (CO2) gas in the surrounding air. Monnit wireless CO2 sensors have a small footprint and low cost but boast industry leading, premium performance specifications and are the longest lifetime sensors in the industry and the only CO2 sensor on the market powered by a coin cell battery (battery lasts over a year at 1 hour heartbeat). User customization allows you to set the frequency of readings and the ability to set customized alerts via SMS text or email when the sensor detects CO2 levels outside of the user's defined safe levels. Monnit MNS2-9-W2-GS-C2 Features1,200+ foot range12+ year battery life80+ wireless sensorsBank-level AES securityUp in 15 easy setupGlobal ready (900, 920, 868 & 433 MHz) CO2 Sensor SpecificationsSample Method: DiffusionMeasuring Range: 0 to 10000 ppm CO2Accuracy: +/-( (45 ppm + 3%) * (1 + .0013 * ?P))Calibration: AutocalibrationNon Linearity: < 1% of FSPressure Dependence: 0.13% of reading per mm Hg in normal atmospheric conditionsResponse Time: 3 minutesWeight: 4.5 oz.ALTA AA SpecificationsBattery Type: 2 Replaceable AA 1.5 V BatteriesDimension: 4.375 in x 2.470 in x 1.12 inSupply Voltage: 2.0 - 3.8 V (2 x AA 1.5V Batteries or Optional Power Supply)Battery Life: At 1 hour heartbeat setting, AA batteries will last up to 10 years.**Max Operating Temperature Using AA Alkaline: -18°C to 55°C (0°F to 130°F)Max Operating Temperature Using AA Lithium: -40°C to 60°C (-40°F to 140°F)Optimal Battery Operating Temperature: +10°C to +50°C (+50°F to +122°F)Enclosure Material: ABSALTA 900 MHz SpecificationsOperating Frequency: 900 MHz Operating FrequencyCertifications: Complies with Part 15 of the FCC Rules. (FCC ID: ZTL-G2SC1)Complies with Industry Canada standards. (IC: 9794A-G2SC1)Device Range: Device Range Up to 1,200 ft. non-line-of-sight, wireless device range*Security: Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)