Features: 100% Brand new and high quality! Ideal tool for windsurfing sailing fishing kite flying and mountaineering. You can also use it for industrial and home purposes such as measuring wind speed and temperature of CPU computer fans air-conditioners air blower etc. The LCD display can be seen clearly in dark condition. Max/Average/Current air velocity measurement. With Lanyardconvenient and portable. Auto power shutoff. Low battery indication. Best choice for yourself or your friend.You will not be disappointed! Specifications: Color: Blue Size: 102*37*16mm Wind Temperature range: -10oC to 45oC(14 F ~ 113F) Wind Speed unit: M/s Km/h Ft/min Knots Mph. Wind Speed range: 0-30m/s Power supply:3V CR2032(included) Package included: 1x Digital Anemometer 1x User manual ZC530500-ALL-1-1