Digital accuracy 0.10 at level and plumb, 0.20 at other angles. LCD screen means easy to read measurements. 360 readout - flips in upsidedown position. Functional in all positions. HOLD function - make it easy to use even in low light condition. MODE function gives the degree/percentage/in-ft. MEMORY RECALL (9 measurements). Buzzer at 0, 45 and 90. Low battery indicator. Waterproof bag included.