Monnit ALTA Wireless Carbon Dioxide (CO2) Sensors - AA Battery Powered

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.

• Wireless range of 1,200+ feet through 12+ walls
• Frequency-Hopping Spread Spectrum (FHSS)
• Improved interference immunity
• mproved power management for longer battery life **(12+ years on AA batteries)
• Encrypt-RF® Security (Diffie-Hellman Key Exchange + AES-128 CBC for sensor data messages)
• All ALTA sensors now have up to 3200 readings: 0-minute heartbeats = 22 days, 2-hour heartbeats = 266 days
• Over-the-air updates (future proof)
• Free iMonnit basic online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email