Description Description: With barometer, thermometer and hygrometer, 3 in 1 multifunction, economical and practical. Standard measuring range, predict the weather more accurately. The outer casing is made of aluminum alloy, durable and stylish. Lightweight and easy to install, suitable for hanging or placing on a surface. Simple and elegant design make you more comfortable when using it. Specification: Measurement Range: -30~50; 0~100RH; 970~1050hPa Resolution1hPa, 1,1RH Product size: #1: (Silver) 130x 65x20mm/5.12x2.56x0.79inch #2: (Golden) Diameter: 12.8cm/5.12 in Thickness: 4.1cm/1.61 in Package Includes: 2 Pieces Thermometer Hygrometer Barometer Note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!