Feature: 1. Digital Display: LCD mini digital humidity thermometer allows you to easily understand the ambient temperature and humidity. 2. High Accuracy: The advanced humidity and temperature sensors keep the accuracy within plus or minus 1%, with high accuracy. 3. Measuring Range: The measuring range of this electronic thermometer and hygrometer is 0℃ to +50℃, and the humidity is 32% to 99%. 4. Quick Response: Measure the quick response every 10 seconds with 4 sensitive ventilation grilles to provide the latest and accurate readings. 5. Application: It is very suitable for incubators, breeders, cigar humidifiers, reptile tanks, guitar boxes and other places where temperature and humidity monitoring is required. Specification: Item Type: Electronic Thermometer Hygrometer Material: Plastic Gross Weight: 21g / 0.7oz Product Size: Approx.28 x 48 x 15mm / 1.1 x 1.9 x 0.6in Battery Type: button battery (shipped with built in battery) Battery Model: LR44 Batteries Number: 2 Battery Capacity: 200mah Display: When the measuring temperature is lower than -50℃, L O℃ is displayed When the measuring temperature is higher than 70℃, H I℃ is displayed Display Resolution: ℃ Display Mode: LCD (three and a half digits). Package List: 1 x Cigar Box Thermometer