Specifications: Brand: Yato Symbol: YT-71000 Series: GRD Dimensions: 58x58x32mm Material: Aluminum Operating Temperature Range: 0~40°C Storage Temperature: -10~+50°C Power Supply: Battery Type: 2x1.5V AAA Magnet Yes|in Base Backlight: Yes Measurement Accuracy: 0.01° Display Type: LCD Backlit Measurement Unit: Degrees|millimeters/meters|slope percentage|slope in imperial measurement system in inches per foot Measured Angle Range: 360 ( 4x90) ° Measured angle accuracy: 0 / 90°: ± 0.1° 1° - 89°: ± 0.2°° Functions: zeroing and relative angle measurement|keeping the measurement result on the screen Automatic shutdown: 3 min Electronic protractor, body made of aluminum. Strong magnets are installed in the base. Body dimensions: approx. 58 x 58 x 32 mm. Measuring range 4 x 90°, display resolution +/- 0.01°, measurement accuracy +/- 0.1° for 0-90°. Available functions - change of units of measurement, result in degrees, percentages, mm/m, in/ft. Backlight screen, lock measurement. The magnetic attachment allows for precise positioning, for example, of a circular saw and effective assembly work on steel structures. Power supply 2 batteries 1.5 V type AAA . Weight 71g, For fast and accurate measurements during construction, renovation and assembly work. Especially when setting up steel structures, machines or setting circular saws. According to the enclosed instructions for use. ** Illustrative photo.