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Protractor Angle Finder Electronic Digital Level Measuring Inclinometer Ruler Description: Item type: 400mm Digital Angle Finder Range: 0-225 Resolution: 0.1 Angle error: ±0.5 Battery: 9V6F22 Digital Angle Finder--The Digital Angle Finder with a Hole to Hang the Digital Angle Level, is Designed for Industrial Applications Which Involves the Definition of the Exact Angles, Such as Niches and Bbays, Sloping Roofs and Handrails(NOTE: It is not a digital level) Backlit LCD Display--Come with Backlit LED Display Which Makes it Possible to Read the Data Clearly, Even under a Low Light Circumstance High Accuracy--Measuring precision: ±0.5°, Increase/Decrease Angle: 0.1°, Angle Range is 0225°, Which Allow You to Measure Angle Precisely with Its Horizontal and Vertical Level Mechanical Lock--There is a Lock Knob to Keep the Angle Invariable in the Process of Line and a HOLD Button to Lock Angle Auto Power Off--It is Powered by 9 Volt Battery, Which is Included and can Automatically Shut Off After 5 Minutes of No Operation to Extend the Life of Batteries Package Include: 1 x 400mm Digital Angle Finder If you need more item, please contact us and we will try to arrange more items for you!