SKEIDO 400mm/16inch 0-225 Degree Protractor Spirit Level Digital Angle Finder Gauge Meter Angle Finder With Level Bubble

Features: Automatically shut off after five minutes to prolong the batteries' life. Backlight design: keep its normal use on dark light. Data holding function: Help the use on dark light. Horizontal level Vertical level Mechanical lock(Lock knob): Keep the angle invariable in the process of line or measure the angle. HOLD button to lock angle Angle guide Low power Alarm Measuring range: 0~225° The value of the angle increases or decreases in the step of 0.1° as you open or close the angle ON/OFF LED Lighted display ON/OFF Button 9 Volt battery (Not Included) Hole to hang the digital angle level Specification: Length: 400mm Increase/decrease angle: 0.1° Measuring range: 0~225° Measuring precision: 0.5° Working temperature: 10°C~+50°C Battery: 9V 6F22 Operating procedure: 1. MEASURE ANGLES FUNCTION 1) Switch on SK99G 2) Unfold the arm of ST99G, the opening angle increases or decreases on LCD display 3) Adopt the comparative method to measure the angle or set the lineation angle 4) You can fasten the Lock Button to keep the angle invariable when drawing the angle line 5) Open the backlight when the beam is dark 2. Spirit level Function: Quickly measure the horizontal and vertical degree. Package content: 1*Digital Angle Finder 1*Portable Bag 1*User Manual