TECHNICAL SPECIFICATIONS Angle Finder Tool made of stainless steel Folded length: 219 mm / 8.6" Ruler scale: 0 - 15 16/32”, 0 - 400 mm Measuring angle: 0-360° a) in degrees and minutes b) in degrees to 2 decimal places Resolution: 0.05° Accuracy: ±0.3° Repeatability: 0.05° Battery: 3V CR2032 (supplied) Battery life: 1 year (approx.) FEATURES MEMORY – Press hold button to store measured angle in memory. LOCKING – Turn lock knob to fix arms of ruler in any position. ZERO – Press zero button at any time to zero the display. Use to measure relative angles easily. BATTERY – Already installed. Push open battery compartment to remove plastic tab before use. DISPLAY – Large LCD display. Remove PROTECTIVE FILM on display before use. POWER OFF – Digital angle protractor powers off automatically after 5 minutes. Can also be switched off manually. APPLICATIONS Use sturdy angle finder rule to measure angles and lengths and to draw lines in general Commonly used in staircase construction and repair, tiling, flooring, crown molding, miter cuts, cutting of base boards and skirting boards Handy angle finder tool for plumbers, woodworkers, carpenters and contractors 2-in-1 digital display angle ruler for measuring lengths and angles, both inside and outside. The angle measuring tool is made with high quality stainless steel and with durable etched measurements. Continuous scale on both sides of digital angle finder protractor so you can measure greater lengths in inches and mm, up to 15 16/32” and 400 mm. Folded length is 219 mm / 8.6”; angles are displayed in degrees and minutes or degrees to 2 decimal places and resolution of 0.05°. Digital protractor angle finder with Hold function to store measured angle in memory and zeroing button to reset angle gauge at any time, automatic power off after 5 minutes, clear operating instructions provided on the package Digital angle finder includes a 3v CR2032 battery. This angle measurement tool is a great gift for woodworkers, dads, anyone who works in woodworking, construction, engineering, drafting and welding. And Valentines day decor. Many applications: use for example for measuring angles for setting a miter saw or for serving as a mitre gauge for mitre saw or for checking accuracy of miter saw, making angle cuts or measurements, trim / wall / corner angle measuring, bending tubing and metal sheets. Valentines day gifts for him, her. Caution: This digital protractor tool has sharp corners. Handle with necessary care. Note: There are two versions of this Angle measuring tool. Please check whether there is a screw on the back that needs to be removed before installing the battery