0~225 degree Protractor Spirit Level Digital Angle Finder Gauge Meter The value of the angle increases or decreases in the step of 0.1 degree as you open or close the angle. 9 Volt battery (Included) Hole to hang the digital angle level Application: It is a digital angle measuring device whose read is easier and exact than other scale indicated angle level. It is mainly intended for applications which involve lineation for woodworkers, measure and definition of the exact angles such as trays, sloping roofs and handrails. Length: 400mm Measuring range: 0~225 degree Measuring precision: +/-0.5 degree Working temperature: –10 Celsius~+50 Celsius 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. CAUTION: 1. Do not move the screws and components at random. 2. Please handle your angle meter with care, use even strength to rotate the Rotate Arm, and do not use too much strength. 3. Don’t keep the backlight open for a long time. 4. When the low power Alarm icon appears on the display, please change the batteries Package Content:1 x Protractor Spirit Level Digital Angle Finder Gauge Meter