Easylog Temperature USB Data Logger Range - Lascar EL-WEM, EL-WEM | Indoor Air Quality Monitor | Lascar - The EL-WEM Indoor Air Quality Monitor and recorder is the perfect device for ensuring adequate levels of air quality at work and in your home.This device measures particulate matter, temperature, humidity, VOC's and pressure, rating the Indoor Air Quality (IAQ) on five levels from Excellent to Inadequate. The status ring clearly shows the IAQ level at a glance, with a sounder to alert you when IAQ is low. It only takes moments to set up using the EasyLog Cloud App, allowing you to activate automatic alerts via email or SMS messages.Perfect for homes and workplaces, the EL-WEM includes a Do Not Disturb mode, allowing you to set times of day when the status ring and sounder are turned off. Lascar EL-WEM Easylog Wireless Indoor Air Quality Data Logger with Alarms