 MEASURE ALL ANGLES IN A 360 DEGREE RANGE;
 USED FOR INSTALLING A DECK, STAIR RAIL, EXTENDING A ROOF OR DETERMINING AN OLD FLOOR HAS SAGGED;
 DIGITALLY DISPLAY DEGREES, PERCENT SLOPE AND PITCH TO 1/10 DEGREE ACCURACY;
 HIGH SENSITIVITY WITH REFLECTION TIME： 40ms;
 EXTREMELY DURABLE AND ANTI-FALL;
 DISPLAY ANGLED FOR EASY READING IN LOW OR HIGH POSITION;
 "HOLD" BUTTONG FREEZES AN ANGLE MEASUREMENT ON THE DISPLAY;
 AUTO SHUTOFF AFTER 5 MINUTES;
 BUILT IN SOLID ACRYLIC BUBBLE VIALS FOR CHECKING LEVEL & PLUMB;
 INCLUDES A 9V BATTERY,CAN BE USED AS LONG AS ONE YEAR;
 OPTIONAL WITH DOT LASER.（LINE AND CROSS LASER WILL BE FINISHED IN ONE MONTH）