Laser Level with Tape Measure Pro 3 (250cm)

1) Projects vertical laser light beam 2) Tape measure 8feet/250cm length 3) Two level bubbles on top 4) Standard metric rulers 5) Hang shelves and cabinets,tiles and picture frames with accuracy 6) Power: 2 x AAA batteries(not included) 7) Wave length: 650NM+-10 8) Max output ＜5MW 9) Size: 162x60x30mm