This rotary laser is one of three models, and is water- and dust-proof, electronic self-leveling, and provides accuracy of 1/16 inches at 100 feet with a range of 2,800 feet. It features co-molded waterproof rubber housing. The ALH model has two packages to choose from. Both include the new LD440 Electronic Rotary Laser Detector with a unique Strobe-Shield feature to prevent erroneous readings on construction sites with heavy equipment, and have three-year warranties.

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