1) 5.5 meter or 18 feet length

2) Laser projection: Red spot/Hairline laser light beam

3) Two level bubbles on top

4) Laser wavelength: 630-680nm in red color

5) Laser power: < 5mW

6) Materials: Rubber surface

7) Tape Lock/Unlock button

8) Laser On/Off button

9) Laser projector is powered by 3pcs x AG13/LR44 button cells (included)

10) Size: 13.8x8.7x3.8cm

11) 360 degree horizontal laser line and point