Real-time environmental monitoring system: wireless refrigerator thermometer, gas monitoring device, fine dust measuring device (PM2.5), CO2, temperature, relative absolute humidity, atmospheric pressure, etc development in progressModel: XMT100 (standard)Features:- High accuracy(error range ± 0.2℃, -10℃~85℃, ± 0.25℃, -40℃~105℃ )- Operating range: -40℃~80℃- Real time monitoring (interval setting, recording every sec)- Fast temperature sensor response time- Temperature transmission interval control function- Wireless data transfer: BLE Broadcasting & Pairing- A/S warranty : 2 years (based standard 4.5s interval setting)