AC Infinity VPD Thermometer Handheld Environmental Monitor - VPD/Temperature (AC-VPD1) LED Originally the result of a

Originally the result of a respected team of over a dozen plant scientists and graduate assistants

For Best Results pH water to 6

Usage Instructions:

so care must be taken to avoid contamination of water sources

AC Infinity VPD Thermometer Handheld Environmental Monitor - VPD/Temperature (AC-VPD1) LED Originally the result of aAC Infinity's highly innovative laser thermometer gun is designed to instantly measure leaf VPD, air VPD, ambient temperature, leaf temperature, and relative humidity to precisely calculate true VPD data. Using these environmental figures, you can calibrate your smart controller so it can accurately detect the climate and trigger your grow devices at precise times. This is the first of its kind to track the VPD (vapor pressure deficit) of your plants