Sound & Visual Alerts: Customizable upper / lower limits alarms when thresholds are exceeded, damage or equipment failure in unattended environments like cold chain logistics or livestock farming Large LED Display: Features a 1.5 Inch oversized LED screen, making temperature and humidity readings visible even from a distance in warehouses, workshops, or greenhouses without close inspection Precisely & Accurate: Equipped with high precisions industrial sensors, this wall mounted hygrometer thermometers provides accurate readings with ±1℃ temperature and ±5% humidity accuracy; 0.1℃ / 0.1% Resolution Rechargeable & Versatile: Powered by a 4000mAh lithiums battery with Type C charging, ensuring long lasting operations; wall mountable design includes external probe and alarm horn interfaces for expanded needs Extended Data Storage: Automatically records data every 2 seconds and stores up to 1 year of data; USB connectivity enables easy download, real time sampling, and printing for analysis, Manufacturer: APGLSXY