Johnson 100 Ft. Laser Distance Measurer

Measures where a tape measure can't, backlit display for easy reading, IP54 Rating, and simple to use LDM - just turn it on and go. Laser wavelength 650nm +/- 10nm. Classification Class II. Working Range 2 In. - 100, Interior Range 2 In. - 100. Working temperature 23 Deg F to 104 Deg F. IP Protection Class 54. Dimensions 0.875 x 1.37 x 5.75. Includes Laser, two AAA alkaline batteries, and wrist strap.