Vevor Carbon Dioxide Monitor Portable CO2 Detector with Temperature and Humidity Display New Crawl Space Compatible with all kinds of

Compatible with all kinds of solar-powered batteries

and evenly spaced grommets for a secure fit

remote control operation

so yay for going downhill (slowly)

they offer puncture resistance

Vevor Carbon Dioxide Monitor Portable CO2 Detector with Temperature and Humidity Display New Crawl Space Compatible with all kinds ofThe Vevor portable carbon dioxide monitor provides real time CO2, temperature, and humidity readings for homes, offices, classrooms, greenhouses, cars, and outdoor environments. It uses dual infrared sensors to measure CO2 from 400 to 5000 ppm and features a clear display with color indicators for quick air quality awareness. Its compact, lightweight design makes it easy to carry in a pocket or bag for mobile monitoring. A built in 1000mAh battery