ANENG GN301 Digital Anemometer Wind Speed Meter Temperature LCD Backlight Features: 1. Backlighting of the screen allows you to clearly see the values during measurement in dark environments. 2. Highly sensitive wind turbine with high precision measurement, starts measuring when wind is encountered 3. High-definition LCD screen with clear fonts, parallax-free with low power symbol indication 4. Battery removal with a simple drag to replace batteries (AAA size 7 batteries *3) 5. Auto shutdown will automatically shut down within ten minutes without operation, saving electricity and worry! Specification: Product Model: GN301 Product material: ABS Batteries:AAA7 batteries*3(not included) Maximum display: 8000 Temperature range: -20°C~70°C/4°F~158°F Package Included: 1*Digital Anemometer Note: The above parameters are for reference only, all in kind shall prevail. Due to manual measurement, please allow 1-3mm error. Please make sure you don't mind before ordering. Please allow 1-3 grams weight error. Please make sure you don't mind before ordering. Due to different lighting of photos and differences in monitors, the pictures may not reflect the actual color of the object. Please make sure you don't mind before ordering, thanks!