BT-6000GH-yellow Product Description Multi-function measurement It can measure wind speed, air volume and temperature, with many units of wind speed and a wide range of air volume. Convenient operation Touch buttons, short press / long press to realize different functions, such as unit switching, data storage. Clear display Background illumination, low battery indicator, real-time / max / min air speed and related data at a glance. Smart design Compact and lightweight, waterproof and dustproof, easy to carry and use. Convenient Charging Built-in 400mAh lithium-ion battery, TYPE-C port charging, about 3 - 4 hours full. Functions Anti-interference touch button wind speed air volume temperature compact structure, waterproof and dustproof current wind speed, maximum wind speed, minimum wind speed low power display backlit display lithium battery charging, TYPE-C interface Automatic shutdown Specifications Wind speed range Unit Range Resolution Accuracy M/s 0.3~30 0.1 5% Ft/min 59~5905 19 Knots 1~55 0.2 Km/h 2~90 0.3 Mph 1~65 0.2 Temperature range Unit Range Resolution Accuracy -10~45 0.2 2 14~113 0.36 3.6 Air volume index Unit Range Resolution The measure of area CMM M3/MIN 0-999900 0.001-100 0.001-9999 CMS M3/S 0-999900 0.001-100 0.001-9999 CFM FT3/MIN 0-999900 0.001-100 0.001-9999 Battery Lithium battery model: 602040 400mah. The charging time is about 3 ~ 4 hours. Operating temperature -10~4514~113 Relative humidity 90%RH Store temperature -20~50-4~ 122 Current consumption About 3mA Weight 147g including battery Professional Support Team We provide after-sales e-mail,you can send e-mail to consult when you encounter problems. To make sure you can receive immediate solution and your requests processed quickly, please email us with these incompatible for mation: 1. Order Number 2. Platcompatible for m of Your Purchase 3. Full Model Number 4. Description of the ProblemAttaching videos or photos can help us troubleshoot the problems even faster Precautions Becompatible for e use, unscrew the screws on the battery cover and connect the battery. Long and short presses of different buttons are used to turn the device on/off, switch functions, convert units, store data, and adjust the background lighting. Pay attention to the correspondence between the button press duration and the functions. Pay attention to the environmental conditions during use.