The ultimate grow room monitor!! No faff, hang it up, connect to your WiFi, download the app, and you're good to go!! Read the setup guide here. Link to the user guide here. Pulse Pro is the big brother of the Pulse One ; both monitor and wirelessly send your encrypted grow room stats straight to the Pulse app on your phone (PC, iOS, Android), but the Pro give you Co2 logging, PPFD readings and a Colour Spectrum Analyser for your grow light! Vapor Pressure Deficit Temperature Relative Humidity Light Intensity Dew Point CO2 data: Dual-channel NDIR, ±(50ppm + 3%MV) PPFD/PAR: Measures the total number of photons within the PAR region specific to plant growth (11 channels, 350nm to 1000nm) Spectrum & color analysis: Measures your light's color spectrum output Light flicker frequency: Detect unwanted voltage changes and assess ballast & bulb health Lithium-ion rechargeable battery: Allows for wireless, handheld operation while taking PPFD measurements & ongoing data logging during power outages. You also get: Unlimited number of sensors & live data, including multiple locations & WiFi networks viewable on one dashboard Instant, reliable alerts customizable to each zone Easily adjust alert profiles on multiple devices with the template manager Day & night averages for any selected time period Connectivity & power outage notifications VPD-LST offset calibration for accurate VPD data Garden calendar & journal Pulse Pro Features Temperature sensor Humidity sensor VPD sensor Dew point sensor Atmospheric air pressure sensor CO2 sensor PAR/PPFD sensor Light spectral sensor Built-in rechargeable battery so the device can be used as a hand-held PAR meter *The device needs to be plugged in to remain fully functional* Water resistant sealing for everything except the temperature/RH vents Notifications and alerts