1、Various Ruler length
   （600mm、800mm、1000mm、
   1200mm）
2、360 degree measure range
3、Extra large LCD
4、Beeper will sound at:
   0¡ã2289;45¡ã2289;90¡ã 5、Readout holding
6、Display always reads
   upright, no matter which
   way the level is turned.
7、The laser(purchase
   optional attachment) can
   be used for long range
   position
8、Backlight ,easy for
   viewing in darkness place
9、Both top surface and
   bottom surface can be
   used as measuring surface
10.resolution:0.1 degree