Portable CO2 Monitor Meter Sensor Indoor with Alarm Infrared NDIR Sensor

Features: *The device uses a high quality infrared NDIR sensor to monitor the temperature and humidity in the air. The measurements are accurate and fast. Resolution up to 1 ppm, measuring range 400-5000 ppm. *HD LED screen. The screen has 4 different colour bars to represent the CO2 concentration level: green is healthy, red is dangerous. *When the CO2 in the air exceeds 1200PPM it will sound an alarm of 120dB, alerting you to safety in real time with a loud enough sound. *Small size for portability and built-in 1000 mA rechargeable battery for 8 hours of continuous operation *This portable CO2 monitor is USB rechargeable and has a low battery indicator. *Please calibrate the CO2 sensor with data for 5-10 minutes before use and wait 35 seconds for the detector to sense a change if the air quality changes. *This mi ni CO2 monitor is used in grow rooms, travel, camping, caravans, rooms, agricultural growing, indoor gardens and more. Specifications: Item model number：?T08 Color：white Size：2.87 x 2.87 x 0.71 inches Style: co2 detector portable air quality monitor Material:ABS Power Source:Battery Powered Special Features:?Manual Included Components:?battery back Battery Cell Type:?Lead Acid Batteries Included?:?Yes Batteries Required?:?Yes Package Included: 1PCS Portable CO2 Monitor 1PCS Power Cable 1PCS User Manual