Anemometer Handheld Wind Speed Meter Gauge AN100APP Digital Air Flow Velocity Meter with Wireless Bluetooth Connect to Mobile Phone

AN-100-App is the latest upgraded Anemometer with the wireless Bluetooth connection that transmits the data from the wind speed meter to mobile devices in real-time. This advanced wind speed indicator provides both conveniences and practicality to the user, built with a tripod mounting hole for hands-free sampling, automatic Bluetooth pairing, Windchill indication, and LCD backlight screen. ?Product Q&A: Can it be used to measure CFM? It does not support, however, it can be calculated: CFM = Air Velocity in fpm x sq ft of a vent What is the wireless/ Bluetooth range? Bluetooth is limited to about 30 feet (10 meters) without barriers. Why I can not find the device while Bluetooth pairing?  Bluetooth will connect with your mobile phone automatically, please make sure that there are no other Bluetooth transmitters around. If there is a hole in the bottom where it can be mounted to a tripod? Yes, the wind speed meter can be mounted on a tripod. ? Specifications: Resolution: 0.1m/s Temp Units Optional: ?/? Wind Temp Range: 14?-113? Wind Speed Range: 0.3~30m/s Weight   0.29Ib (including battery) Dimensions: 7.5 x 4.4 x 2.5 inches Wind Velocity Range: 0.67~67.1 mph Accuracy of Wind Speed: ±0.1dgts Battery Type: 2* 1.5V AAA Battery(INCLUDED) Wind Speed Range: 0.3-30m/s (MAX up to 69mph) Wind Speed Unit Selection: m/s, Ft/min, Knots, Km/hr, Mph ? Package Including: ? 1 * Digital Anemometer Wind Speed Meter ? 2 * 1.5V AAA Battery ? 1 * Lanyard ? 1 * Protective Case ? 1 * User Manual ? 1* Small Screwdriver