Johnson Level Magnetic Digital Protractor Angle Locator

Automatic LCD (liquid crystal display) backlight. Automatic digit inversion for overhead measurements. Measures in both absolute and relative measurements. Angle display in degrees. Working range of angle measurement 0 x 90 degrees. Magnetic base. Accuracy +/- 0.1 Deg for 0 Deg and 90 Deg, and +/- 0.2 Deg. Working range 4 x 90 Deg. Working temperature 32 Deg F to 122 Deg F. Includes (1) AAA alkaline battery, instruction manual, soft-sided pouch.