Check the listing for details. Anemometer Digital Wind Speed Meter Handheld Wireless Bluetooth Vane Air Tester. Condition: New. Listed at 30.99 USD. 【High Sensitive & Accurate Measuring】Wind Speed Range from 0.3~30m/s,Temperature Range :-10℃~45℃,The Accuracy of Wind Speed is 5% of reading, Provides fast measurement for analysis of critical environment conditions. 【Multifunction APP Anemometer】Wind Speed,Temperature and Wind Chill in one LCD Display. Measure wind speed in 5 units: m/s, km/h, ft/min, knots, mph. 【Portable and Professional】Light weight and Small size,Through the built-in temperature regulator to adjust ℃/℉ temperature. Record and recall Max /Average /Current function. 【APP Connect Anemometer】HP-866B-APP Anemometer with Mobile APP Support,you can connect to your smartphone via APP to monitor wind measurement in real time.With this APP-Anemometer, you can transfer the data and analysis it in real time on your phone. 【Save Your Battery】Auto Power OFF, Manual / Auto Back Light Function, Low battery indication. With a screw hole, can be connected a lanyard.(Battery Included) HOLDPEAK come with 1 year warranty and lifetime technical support,if you have any questions,welcome to contact us! Specification: ✔ Back Light ✔Wind Chill Indication ✔Low Battery Indication ✔Manual/Auto Power Off ✔Mobile APP ✔MAX/MIN/Average/Current ✔℃/℉ Selection ✔Wind Speed Range: 0.3-30m/s (MAX up to 69mph) Wind Speed Unit Selection: m/s, Ft/min, Knots, Km/hr, Mph Wind Speed Range:0.3~30m/s Air Temperature Range:14℉~113℉ NO USB PORT Package Included: 1 * HOLDPEAK 866B-APP Digital Anemometer 1 * Lanyard 1 * Protective Case 1 * User Manual