Johnson Level & Tool 40-6685 Line and Dot Laser Locking mechanism protects inner pendulum during transportation Manual mode allows unit to tilt to extreme angles Projects five self-leveling beams and two cross-lines simultaneously Laser Class llla Power output Less/Equal to 5mW Laser Class Illa, &lt;5mW 3 Year Warranty: Johnson Level warrants this product against defects in material and workmanship for three years after the confirmed purchase date. At its option, the company will replace or repair the product if it fails under normal use.