It's features include: 1.SAVING A MEASUREMENT 2.CALCULATING VOLUME 3.CALCULATING AREA 4.ADDING/SUBTRACTING STORED MEASUREMEN

Specifications: 1) Range from 3ft - 60ft (0.9m - 18.30m)2) Auto meter or feet conversion3) Accuracy of 0.5%+/-1 digit4) Three memories for length, width, and height measurements 5) Addition, subtraction, area, and volume calculation by touch of relative buttons6) Auto power off7) Low battery display to remind you of hanging the battery8) Laser pointer9) One 9V battery required10) G/B: 165 x 5 x 55mm

Ultrasonic Distance Measurer With Laser Pointer