AdirPro Red Brite Laser Enhancement Kit, Includes: Red Laser Glasses for Distance Meters, Line Lasers and Rotary Lasers - Red Magnetic Floor Target Plate with Stand - Tiger Supplies Cleaning Cloth Laser enhancement glasses increase visibility of red-beam lasers especially in daylight Large enough to wear over regular eyeglasses Target enhances the brightness of laser line or point Target back stand folds out to keep upright on floor Magnets for convenient attachment to metal studs, Increments in inches and cm