Autopilot Co2 Monitor & Data Logger

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 screenMEMORY: 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/TemperatureSENSOR & ALARM: 2-channel low drift NDIR gas sensor and audible alarm for low or high CO2 levelsOPERATING TEMPERATURES: Operates in temperatures 32 to 122 degrees F; Operating and storage relative humidity (RH): 0-95%, noncondensingFUNCTIONALITY: 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 inchesThermometer – Magic Farm (magic-farm.eu)