CO2 Monitor: Portable Mini Indoor CO2 Monitor, Full Color LCD, NDIR Sensor with Indicator Light, Alarm, Auto Calibration

Features & Specs

• advanced NDIR sensor for highly accurate readings that detects carbon dioxide through infrared sensing technology
• Standard Settings: green light for good (400~699ppm), yellow light for medium (700~1499ppm), and red light for dangerous state (1499~5000ppm).
• Alarm will sound when above 1500ppm which can be adjusted as some commercial grow rooms can exceed 1500ppm as target
• built-in 1000mAh lithium battery that can be fully charged within 3 hours and last about 72 hours
• HD Full-Color LCD Display, Auto shut-off after 5mins