3-in-1 Laser Tape Measure with Digital DisplayFunctioning as a measuring rope, roller and laser, this appliance with a backlit digital screen is ideal for handypersons Product Details Flexible rope to measure the curves Measures distance in a fraction of a second thanks to its laser mode One hand activation of the light beam to display the measurement Built in roller to measure reliefs Different units of measure available Belt clip Accurate to 1cm Requires four AAA batteries (not included)