Klein Tools Digital Angle Gauge with 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-Degree and 0 to 180-Degree and also has a high visibility reverse contrast display for easy viewing. Digital level to measure and set angles and check relative angles. Quickly set angles with user defined LED angle alert system. High visibility reverse contrast display auto-rotates when turned. Display auto-rotates when upside-down for easy viewing. Water and dust resistant with rating of IP54.