1) Laser projection: A word and line/Horizontal/Hairline laser light beam
2) Tape measure 250cm (about 8 feet) length
3) Three level bubbles on top
4) Standard metric rulers
5) Hang shelves and cabinets,tiles and picture frames with accuracy
6) Power: 3xAG13 Batteries(included)
7) Size: 195x61x28mm