ITEM NAME:Handheld Digital LCD Wind Speed Meter Thermometer Anemometer for Surf Saili B9C2 Handheld Digital LCD Wind Speed Meter Thermometer Anemometer for Surf Saili B9C2 Best choice for measuring air velocity and temperature Light weight and easy to carry Color: Black,yellow Two units of Temperature: ℃/ °F Backlight display package content:1 x Digital Anemometer 1 x Lanyard 1 x Battery Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.