When choosing a self-leveling laser level, several features should be considered : Accuracy Look for levels with high accuracy ratings, typically measured in fractions of an inch over a certain distance. Range Consider the working range of the laserâ??this determines how far the laser can project a visible line. Durability For rugged job sites, opt for models with robust construction and water/dust resistance. Battery Life Longer battery life means fewer interruptions during work, especially in remote areas. Construction lasers are advanced tools that use laser technology to aid in various tasks on construction sites. They emit a highly focused beam of light that can be used for precise measurements and alignments.