Multi-function AnemometerWind speed, wind temperature, wind chill, low battery indicator on a backlit LCD display. BT-100 is a portable wind gauge that can accurately measure wind speed in 5 units: m/s, km/h, ft/min, knots, mph. Wind temperature in /. High Accuracy Wind MeterWind speed meter to measure wind speed range 0.3-30m/s (+/- 5% of readings) , wind temperature range -10~45(+/-2), resolution 0.1m/s; 0.2. With 2 sensitive sensors and a sensitive 8-leaf fan, this BT100 Pro high precision anemometer can help you with HVAC installation, CFM calculation, duct ventilation. Tripod hole for mountingIt There is a metal threaded hole at the bottom of the anemometer, so you can mount it on a tripod to avoid strong winds. Keep your hands free when flying drones, rc planes, wings, helicopters and quads, for long distance shooting. Pocket AnemometerThis is a wind gauge meter pocket-sized, lightweight and portable, which you and your family can measure outdoors for outdoor activities, such as: shooting, sailing, kite flying, climbing, drone driving, etc. Easy to UseOptional manual/auto sleep, backlight screen to let you see clearly even in the dark. 2x1.5V AAA batteries included to get you started when you receive the wind tester. Add to cart, buy it, use it, for any quality issues, we will replace you.