Main Features -CO2, temperature, and humidity, 3-in-1 indoor air quality monitoring -Light-and-sound dual alert for CO2 concentration, with custom alarm thresholds -Bluetooth 5.0 connection with 100 metersor 328 feet obstacle-free range -Built-in 3000mAh lithium battery for more than 6 months of battery life -Long-term data storage and export via smart app -HD LCD screen with white backlight shows all data clearly in any light

Specifications -Model No.: IAM-T2 -Product Name: Indoor Air Quality Monitor -Screen Type: LCD with white backlight -Power Source: Built-in 3000mAh lithium battery -Bluetooth Connectivity: Bluetooth 5.0 -Bluetooth Distance: 100 meters or 328 feet open distance -CO2 Range: 0 to 9999 ppm -CO2 Accuracy: +-40 ppm (+-5%) -Temperature Range: -9.9? to 100? (-50F to 212F) -Temperature Accuracy: +-0.2C (+-0.36F) -Humidity Range: 0-99%RH -Humidity Accuracy: +-1.8%RH -Sampling Interval: 1min or 2min or 5min or 10min (default 1min)

Package Contents Indoor Air Quality Monitor1 USB Charging Cable1 User Manual*1