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: 3 x AG13 batteries(included) 7. Size: 195 x 61 x 28mm
