Features:

1.The laser guided leveler, Projects a perfectly straight line in any surface. 2.For stall shelves, hang pictures, decorate your home

3.Projects a 50ft. line

4. Leaves no marks behind

5.With reusable adhesive, Adheres to any surface.

6. Built-in level bubbles

7. Requires 2 AA batteries (not included)

Housing material: plastic

Dimension(L x W x H： 123 x 40 x 63mm /4.84 x 1.58 x 2.48")

Accuracy: +/- 0.55" per 30 feet (+/- 1.4mm per meter)

Laser wavelength: 625~670nm