Remotely sense key air quality metrics PM1.0, PM2.5, PM10, dust concentration, total volatile organic compounds, temperature, and humidity. Transmit data using LoRaWAN® technology networks like The Things Network, Helium. machineQ, Senet, etc. Sigfox support also available. Small, attractive package 2 1/2" by 1 5/8" by 1 5/16". USB powered, with backup power for one to two weeks of unpowered data collection. Case is white ABS plastic, UL94 V-0. USB charger and cable are included. Sensors: Plantower PMS7003 particulate matter/dust concentrations TVOC: Sensirion SGPC3 Temperature/RH: Sensirion SHT35. Standard firmware transmits every 6 minutes. Open-source firmware; sources on GitHub at MCCI-Catena-PMS7003. The US-915 variant targets the LoRaWAN US915 region. The EU868 variant targets the LoRaWAN EU868 region. Contact us for other regions or custom variants. Please Note:- Although the EU868 ships with a USB charger supporting 108 to 220 VAC input, the plug on the adapter is a fixed NEMA-style plug. Customer must provide suitable plug adapters. LoRa and Semtech are registered trademarks of Semtech Corporation. LoRaWAN is a registered trademark of the LoRa Alliance. MCCI and MCCI Catena are registered trademarks of MCCI Corporation. All other trademarks are the property of their respective owners.