【Large LCD display】Easy to read, displays temperature, humidity and time at the same time. Low power consumption, powered by one AAA battery (included). [Range and Accuracy] Measurement temperature range -50°C~+70°C, accuracy ±1°C/1.8°F ; Measurement of humidity range from 10% to 99% RH, accuracy ±5% RH. 【Portable Design】Can be wall mounted or put on the desk, with alarm clock function, it’s the perfect home office weather monitoring gadget. 【Designed for indoor use】This digital hygrometer thermometer records maximum and minimum temperature and humidity memory, °C/°F switchable. 【Household Essentials】Helps you keep an eye on indoor temperature and humidity, it’s the perfect companion to your humidifier and dehumidifier to ensure a comfortable living space.