ACCURATE LEVELING: This Johnson Torpedo Level is designed for easy use even in tight spaces. The laser offers a high accuracy level of ±1/8" per 50' for error-free leveling; reading and guiding. SMART READING: The Magnetic leveling laser features four vials that read plumb; level; 45-deg. angle and cross-check; while the laser projects a beam of up to 100 ft. Three 90-deg. beams emit simultaneous level; plumb and square reference points. DURABLE CONSTRUCTION: The torpedo manual level has a machined and anodized aluminum frame to ensure maximum durability on the harshest job sites. The precision-crafted aluminum laser offers superior accuracy. VERSATILE DESIGN: With a smart design; this laser leveling tool has a strong magnetic base; tripod mount and a v-groove frame to make a versatile device. These features help the level fit on pipes and conduits stably. PRODUCT SPECIFICATIONS: This Orange Magnetic Torpedo Laser Level works on 3 "AA" alkaline batteries (included) and offers an extensive battery life of up to 50 hours. It is equipped with a leveling base. Laser Class Illa, Power output ≤5mW