Features: The temperature and humidity sensor is very accurate to 1 Celsius and 5% RH, which can remind you of time. Made of quality PVC plastic material, durable and wear-resistant, and equipped with a clear LCD display, easy to read. It can be used in many places, such as pet house, guitar case, bedroom, bathroom, living room and kitchen, etc. It is lightweight and compact, convenient and portable to carry and store. The temperature measuring range is -10-70 (32-122) and the humidity is 20%RH-99%RH. Specifications: Material: ABS Color: Black Power Supply: 1 * 1.5V 150mAh Button Battery Temperature Measuring Range: -0-50 (32-122) Humidity Measuring Range: 10%RH-99%RH Package Size: 4.5 * 4.5 * 1.5cm / 1.8 * 1.8 * 0.6in Package Weight: 20g / 0.7oz Package List: 1 * Thermometer Hygrometer