Smartro Sc42 Professional Digital Indoor Thermohygrometer

【The Best Industrial Grade Accuracy】Humidity gauge with built-in Swiss sensors, it detects subtle humidity and temperature changes and updates readings in each 10 seconds. Temperature tolerance is within ±0.5°F(-4 to 158°F) and humidity is ±2%RH (1 to 99% RH). The digital hygrometer is pre-calibrated for accurate temperature and humidity measurement. 【Large Easy-to-Read Backlit Display】Temperature and humidity monitor with 3.5” large HD LCD screen. A simple touch on the top to turn on backlit. Clear and power-saving, reading more easily under weak backlit. Reliable operating buttons on the back for manual setting or °F/°C switching. 【24 Hours/All-time Max & Min Records】The room thermometer displays high and low records for the past 24 hours and All-time; Indoor thermometer measure conditions and identify changes in temperature and humidity instantly. Comfort Indicator ensures proper humidity control, helping you to maintain a comfortable atmosphere in your h