Fule 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：Black 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 NOTE: When the CO2 in the air exceeds 1200 PPM but does not exceed 1500 PPM it will sound 3 times and end;when the CO2 in the air exceeds 1200 PPM and exceeds 1500 PPM it will sound 8 times and end;The alarm will not sound until the value is exceeded again after it has finished but the alarm cannot be turned off manually. Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.