Autopilot Desktop Hydroponic Gardening CO2 RH Temperature Monitor & Data Logger

CO2, relative humidity, and temperature monitor on a clear LED screen Digital memory chart shows and records stats over an adjustable 24 hour or 7 day period Hook and loop fastener along the back that attaches to an external battery pack 2 channel low drift NDIR gas sensor Audible alarm for low or high CO2 levels Green power supply is compatible with a standard smartphone charger Multiple hanging options Comes with 2 micro USB cables for power and USB AC adapter Voltage: 120 volts Weight: 1 pound Manufacturer warranty: 60-day warranty View charts as weekly, daily, hourly, or per minute