Vevor Carbon Dioxide Monitor Portable Air Quality Meter New new and the stair treads include

and the stair treads include non-slip mats for safer climbing

Includes adjustable wood shelves

letting you tweak it for better views of the road behind you

making it well suited for business

effectively illuminating areas up to 23

Vevor Carbon Dioxide Monitor Portable Air Quality Meter New new and the stair treads includeThe Vevor portable carbon dioxide monitor provides real time CO2, temperature, and humidity readings for indoor and outdoor environments. It uses dual infrared NDIR sensing to measure CO2 levels from 400 to 5000 ppm with stable, precise detection. Its compact lightweight design and 2000mAh battery make it easy to carry and suitable for long monitoring sessions. The large display and three color air quality indication help users quickly understand