BRIGHT GREEN-BEAM LASER: The laser line are up to 4x brighter than standard red beams. The laser has a total working range up to 100 feet and offers an accuracy of +/- 1/8 inch at 33 feet amd +/- 3/8 inch at 100 feet. VISIMAX TECHNOLOGY: The built-in technology provides maximum line visibility in standard working conditions. VERSATILE JOB LAYOUT: The laser projects vertical, horizontal and cross lines. Lines can be projected separately or together for a variety of leel and alignment applications. DURABLE: The laser is equipped with sturdy over-molded construction and is IP54 rated for protection against dust and water. CLASS II LASER: 500 - 540 nm; <5 mW