Please kindly note: 1>We always have enough products in stock. 2>We send all the parcels by registered Airmail except you specify another shipping method. All parcel has tracking number. 3>This unit doesn't include batteries. Because the international air shipping forbid us to ship liquid, powder and batteries, so we can not put them in the package. Hope you can understand & buy the batteries in your local store or supermarket. Thanks for your support! If you don’t accept this, please do not place an order. 4>For big order, we'll provide you big discount.
HT-807 is a mini wind speed and temperature tester. The light weight device is equipped with the latest magnetic sensing technology, which can directly display the air flow speed on LCD. Bluetooth function is added for data transfer and analysis on mobile App, iENV, which can be downloaded from Google Play or Apple Store. Main Features 1. Dual display of wind speed and temperature 2. 5 untis switching: m/s, km/h, ft/min, knots, mph 3. 12 level Beaufort scale indicator 4. Wind chill index (condition: ambient temperature below 0° C, wind speed higher than 5m/s) 5. Special fan structure design, can detect startup wind speed as low as 0.1m/s 6.Battery ：1.5V(AAA)x4(not included)