About This CARBON DIOXIDE METER: Autopilot APCEM2 Desktop CO2 Monitor and Data Logger Monitors carbon dioxide, relative humidity, and temperature of your grow room or greenhouse on a clear LED screen MEMORY: Digital memory chart shows and records stats over an adjustable 24-hour or 7-day period; The trend chart shows variable Min/Hr/Day/Wk for readings of CO2/RH/Temperature SENSOR & ALARM: 2-channel low drift NDIR gas sensor and audible alarm for low or high CO2 levels OPERATING TEMPERATURES: Operates in temperatures 32 to 122 degrees F; Operating and storage relative humidity (RH): 0-95%, noncondensing FUNCTIONALITY: Features multiple hanging options with the hook-and-loop fastener along the back that attaches to an external battery pack (battery pack not included); Green power supply is compatible with a standard smartphone charger; Dimensions (L x W x D): 4.7 x 3.6 x 1.1 inches Overview Brand : Hydrofarm Special Feature : Data Storage and Tracking Color : White/Blue Included Components : CO2 monitoring unit^Micro USB Cable for power x2^AC adapter ^Rope strap^screws^User manual Display Type : Digital Unit Count : 1.0 Count Power Source : Power Adapter Model Name : Autopilot Desktop CO2 Monitor & Data Logger Upper Temperature Rating : 122 Degrees Fahrenheit Lower Temperature Rating : 32 Degrees Fahrenheit
