Multifunctional HTC-2 Hygrometer Digital LCD Humidity Meter Thermohygro HTC 2 Indoor Outdoor Humidity Tester Weather Station with Max/Min Memory + C°/F° Key + Temperature + Data Store + Time Function + Alarm Clock + Calendar + Relative Humidity Room Wall Thermometer with External Wired Probe Sensor Built-in Detector Electronic Temperature Gauge HTC2 Digital The hygrometer is the amount of water vapor in the air. Above 50%, the air is too humid, the air charged with water vapor condenses on cold surfaces (window frame wallpaper), creating an environment conducive to the proliferation of molds and mites. A dehumidifier is necessary. Below 40%, air attacks the nasal mucous membranes and irritates the respiratory tract. Lack of ventilation, heating and air conditioning dry the air. Thus: it is common in winter, in homes too heated and unventilated, to see the humidity drop. A humidifier is needed. Multi-function: ★The humidity gauge displays the indoor and outdoor temperature, humidity percentage, clock, alarm. Range and Accuracy: ★Temperature measurements: -10 °to 50 °C; Moisture measurements (min / max): 20% to 99%; Accuracy ± 1 °C and ± 5% RH Memory Function: ★When press button "MEMORY", the inside outside thermometer will display the temperature and humidity date of memory maximum and minimum. Outdoor Temperature Probe:★ With a sensor cable for outside temperature, insert the sensor cable and press the outside button, measure more accurate. Feature: Large LCD display, multi-function. Indoor & outdoor temperature display, indoor humidity display and time display. Memory of MAX & MIN measuring value. 12 hour / 24 hour displaying system selectable. Degree C & F unit selectable. Clock, Date & Calendar function (month and date). Everyday alarm function. Desk-top placing or Wall Hanging. Low power consumption. High stability & accuracy. NO backlight Specification: Device color: White Temperature range: Indoor & Outdoor -50 ~ +70 degree (-58 ~ +158°F) Humidity range: 10% ~ 99% RH Humidity accuracy: -/+10% RH Power supply: 1.5V*1 (AAA size)(include ) Device dimension: 10.5*9.8*2.4cm Device weight: 126g Package size: 18*13*4cm Length of wire: 1.5m Package Included： 5 x HTC-2 Temperature & Humidity Meter with probe (Battery included) 5 x English Manual
