Highly accurate spirit level that measures to the nearest 0.1mm/m at level and plumb. Contains a horizontal, vertical and digital vial. Buzzer sound alert at 0°, 45° and 90°. Backlit LCD screen features 360° read-out and the display flips to an upside down position for easier reading. Measures in degrees, percentage and mm/m and units displayed as, % and mm/m. Recalibration funcion. Supplied with a water-resistant bag. Aluminium Box Section Frame Non-Magnetic Base Accurate to 0.1 Backlit LCD Display 1 x 90° & 1 x 180° Vials : Accurate to 0.1mm/m at Level & Plumb Accurate to 0.2mm/m at all Other Angles 1 Year Guarantee Aluminium Box Section Frame Non-Magnetic Base Accurate to 0.1 Backlit LCD Display 1 x 90° & 1 x 180° Vials : Accurate to 0.1mm/m at Level & Plumb Accurate to 0.2mm/m at all Other Angles 1 Year Guarantee