▶【High Quality Material】The indoor and outdoor barometer is made of high quality brass case, plastic bottom case material. Stable, strong, durable, high performance and requires no special maintenance. The tough acrylic plastic lens surface makes it easy to clean. ▶【Technical Parameters】This barometer thermometer hygrometer, thermometer: -30~50℃, accuracy: +/- 2℃, hygrometer: 0~RH, accuracy: +/- 5% RH (40~70% RH), air pressure Meter: 950 ~ 1070hPa. Accuracy: +/-5hPa (980~1040hPa). ▶【Three-in-one weather barometer】This product is used to measure the temperature, humidity, air pressure and other parameters of the environment, and accurately predict future weather changes according to changes in ambient temperature, humidity, and air pressure. It is a full-featured home weather meter. ▶【Easy to Read and Multipurpose】Barometric pressure gauge with clear measurement scale and accurate measurement. There are black hands inside the dial for easy reading. Help you better forecast the weather and tell you the weather trend. Suitable for yard, garage, living room, boat, factory, laboratory, home. ▶【Perfect Gift】Barometers have simple and elegant appearance, perfect detail and exquisite workmanship, making them perfect decorations for living room and bedroom. Whether it is for personal use or for a friend, it is a good gift.