360° Digital Measuring.
Display always reads upright.
Select from degrees, % slope, or audio (beep) alert.
Certified Vial Accuracy; in top read position: (.029°) 1/32" over 72".
Digital accuracy tolerance: at 0°, 90°= ±.1°, Between 1° & 89° = ±.2°
  Patented red pads on endcaps grip walls and flat surfaces.
Audible tone signals plumb and level condition for eye-free installations.
Level accuracy guaranteed for life; vials will never fog, leak or require adjustment.
1year warranty on Electronic module, lifetime guarantee on vials.
BENT LEVELS VOID WARRANTY