GGS Sensor Pro Kits, 4-in-1 VPD/PPFD/Temp/Humid Sensor with CO2 Sensor, for Indoor Growing Environmental Monitoring Precision Control

I got the sensor pro kit to help dial in my lights for the prefect ppfd settings. Im amazed on how well the plants are responding to correct light settings during the most crucial growing stages. The 4in1 sensor also is great because it can sit right in the top of the canapy. Sensing your lights, temp, humidity and the VPD. I feel I get more accurate readings right at that level, and the plants can confirm! I'd say, this has elevated my home grow and gives me peace of mind knowing my girls are in good hands.

As usual, the best in tent growing gadgetry. Ppfd sensor is on a heavy duty rod with an immovable clamp and the temp CO2 detector gives great readings.

100000000% WORTH EVER PENNY! To monitor your indoor Garden if you run Co2 or wanna see how powerful your lights actually are and from what height! Very easy set up and installation too and Fits ALL size tents the quality of the PPFD is accurate to the par and accurate too the quality of the sensors both of them are made of thick but light plastic that is not easy to break if installed correctly 10/10

Own multiple units already, & Bought another 10 outlet unit to control flower tent environment. Thought it was a good deal, until None of the sensors would connect to it... Instructions state if sensors fail to read correctly, or connect "review troubleshooting section" THERE IS NO TROUBLESHOOTING SECTION. Updated device to latest firmware, to no avail. Still useless, other than power.

I purchased this with hopes of fine tuning my plants growth. To my surprise my light level was WAY over target and once I installed this, I adjusted my lights via PPFD, my plants are no happy and thriving. I found my CO2 levels were also on the low side, made some adjustments there and seems to have helped when temps get warm.

2025/2026 review ! DO NOT BUY SPIDER FARMER EQUIPMENT!! Bought about 2grand usd worth of equipment. Very poorly made. My co2 sensor didn’t work after month two and they refused to replace .. then after about 1 month my heater broke… IN WINTER and what do they say Oh have 10 bucks and we will send you an new one but sadly out of stock Even when it’s available online DO NOT BUY! Buyer beware

After calibrating the sensors this thing is awesome!

Best CO2 light sensor you could get. Spider farmer always