This document provides information about Grow Controlled LLC and their products for CO2 and humidity monitoring and control. They offer dual-band infrared CO2 sensors that measure between 0-10,000 PPM, as well as electrochemical O2 sensors that measure between 0-25%. They also have touchscreen displays, data logging, alarms and PoE connectivity. Compatible products include calibration gases, sensor leasing/purchasing, and magnetic locks. Their XE211 sensor measures relative humidity from 30-100% and temperature from 32-90°F for high humidity applications.