Bosch 65' Laser Measure with Backlit Display is a precise laser measure technology accurate to 1/8". It has a real time measurement mode that takes walk-off measurements from the wall and other surfaces. It has a backlit display that offers easy and convenient viewing, even in dark areas. It has a simple 1 button operation. It fits comfortably in hand and easily in pocket. It is a smart and convenient size and shape that is easily portable and will rest on any flat surface.