【Mini High Accuracy Anemometer】Accurate measurement of wind speed between 0.3-30m/s (±5% of radiation speed), 0.1m/s resolution; 0.2, temperature -10 ~ 45 (±2) and wind chill in high precision and real-time measurement. 【Multifunctional Multimeter】Measure wind speed, wind chill indication, wind temperature; The backlight screen makes it easy to read in the dark. 【Versatile digital anemometer】The AP-816B wind speed indicator can be used not only for outdoor activities, such as shooting, sailing, mountaineering measurement, but also for electrical equipment testing, like HVAC devices and research measurement, from navigation to aerial surveillance. 【 Intel Plus smart and portable】Compact and lightweight, easy to carry; Auto/manual power off; / ℉, Wind speed unit select m / s, ft / min, knots, km / h, km / h, high precision pressure sensor. .