The Klein Tools Digital Angle Gauge with Angle Alert can measure or set angles, check relative angles, or be used as a digital level. Users can set defined angles easily and quickly. The Angle Alert features uses LEDs and a buzzer to notify the user when their desired angle is reached without looking at the screen. The strong magnetic base attaches to ferromagnetic surfaces such as conduit. The Digital Angle has dual measurement ranges of 0 to 90 deg and 0 to 180 eg and also has a high visibility reverse contrast display for easy viewing