Features: Temperature and humidity sensor is highly accurate to 1 Celsius and 5%RH, which can make sure you're reminded in time. Made of quality PVC plastic material with durability and wear-resistance, and equipped with clear LCD display, easy to read. It can be used for many places, such as pets house, guitar case, bedroom, bath room, living room and kitchen, etc. It is light in weight and compact in dimension, 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 * Hygrometer Thermometer