Spectra Precision LL100N Self-leveling Laser Level (Discontinued by Manufacturer)

Automatic self-levelingAccuracy: 1/8in @ 100ft (3mm @ 30m)Working range: 1,150ft (350m) diameterHeight-of-instrument alertSingle-axis manual slope2-year warrantyExtremely durable and portableSimple one-button operation for quick start up