Electronic Self-Leveling Rotary Laser TS17738 it allows construction and surveying

it allows construction and surveying professionals to set and determine actual elevation

The Stabila 81S Die Cast Torpedo Level is a versatile and dependable measuring tool that every contractor and construction professional should have

It is also equipped to allow measuring from any position while maintaining an accuracy of up to ±1/8 inches

It is great for marking off a foundation excavation project

9V battery

Electronic Self-Leveling Rotary Laser TS17738 it allows construction and surveyingPerfect for indoor and outdoor applications, the Johnson 40 6526 Electronic Self Leveling Rotary Laser can operate with an interior range of up to 200 feet and an exterior range of up to 1,500 feet with a laser receiver. Electronically self leveling within 5 degrees, this rotary laser is great for leveling, checking cut and fill, septic tank and base excavations, contour framing, drainage, and wall retaining. Also, it offers an accuracy of up to 1 8