[2-in-1 Function] 2-in-1 LCD digital hygrometer, suitable for indoor/outdoor use, body size: 150 × 88 × 24 mm, very suitable for home decoration, ensuring the best room temperature and humidity. [Intelligent Operation] - High precision, high sensitivity, automatic recording of the highest/lowest temperature and humidity values. [Easy to Carry] - Unique design, lightweight, easy to carry, you can use cables and probes to easily measure outdoor temperature and humidity. [Installation Design] - There are back brackets and hanging holes on the back, you can easily hang it on the wall or place it on the table. 【Home Assistant 【Multifunctional】-Digital thermometer and hygrometer with clock, calendar and alarm clock. Power supply: 1 x 1.5V AAA battery (without battery).