Neoteck IP42 Waterproof Digital Angle Finder with Audible Buzzer

About Digital Angle Gauge  Built in magnetic V-groove bottom, can quickly and easily attaches it to saw table, band saws, metal poles and even round pipes. It's not only useful for carpentry projects.You could use around it the house, llike hanging pictures on the wall, setting decorative bricks in the garden.   Audible buzzer design: Buzzer alerts when it’s within ±1°at the horizontal or vertical position (±0.1° at 0° and 90°)   Feature:  NOTE: When the battery is running low, the alarm will sound all the time, and the product can not work normally. Please replace the battery in time. Zero function, Data holding, Reversible LCD Display, ERROR indicator, Low battery indication Automatically Turn Off after 3 minutes of no operation. "Traffic Light" LED technology for the brightest display. It's more easier and clearer to read the values even in dark environment.   Specifications Measuring range 0-90° Precision ±0.1° at 0° and 90°; ±0.2° at other angles