Stanley FatMax® Digital Levels are highly accurate, measuring to the nearest 0.10 degrees at level and plumb. It has 3 vials: horizontal, vertical and the digital vial. A buzzer sounds at 0°, 45° and 90°. The LCD screen features 180° readout, where the display flips in the upside down position to enable easier reading. The level has a recalibration function, allowing a 'false zero', a hold function and a mode function. It is able to measure in degrees (°), percentage (%) and mm/m. It has 2 milled surfaces and a magnetic base. Supplied with a water-resistant bag. Accuracy: Level and plumb: ±0.05.Other angles: ±0.10.