Check the listing for details. NEW Netvox R720E LoRaWAN wireless TVOC/Temp/Humidity Sensor. Color: White, Condition: New. Listed at 20.00 USD. R720E is a wireless communication device that detects temperature, humility and TVOC. TVOC refers to all organic gaseous substances in a space, and generally refers to the indoor volatile organic substances. TVOC is also the much serious one of the three types of pollution affecting indoor air quality. R720E can detect the concentration value of TVOC.• Apply SX1276 wireless communication module• 2 ER14505 battery (3.6V/section) in parallel power supply• TVOC concentration detection• Temperature and humility detection• LoRaWANTM Class A compatible• Frequency Hopping Spread Spectrum (FHSS)• Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)• Available third-party platform: Actility/ThingPark, TTN, MyDevices/Cayenne• Improved power management for longer battery life For bulk shipping, contact seller to work out special rate.