High Accuracy Fast response time measuring every 10 seconds for updated and precise readings, with a wide measuring range. Temperature range: -50 to 70��C (-122 to 158��F); Humidity range: 10% to 99% RH. Temperature accuracy: ��1��C; Humidity accuracy: ��5% RH. Accurate Monitoring This digital thermometer hygrometer provides precision within ��1��C for temperature and ��5% RH for humidity levels. Strong Anti-Interference Designed to withstand interference, suitable for reptiles (like lizards and tortoises), terrariums, greenhouses, humidors, or refrigerated cabinets and display counters for temperature and humidity measurement. Easy to Read & Compact Size This model measures temperature in Celsius only. It features a bright front panel with a clear LCD display for easy reading from a distance. Level icons indicate comfortable, uncomfortable, and normal conditions, while its small and lightweight design makes it easy to transport. Note If the device shows incorrect values due to low battery power, please replace the battery.