Ultrasonic Distance Measurer With Laser Pointer

Specifications: 
1) Range from 3ft - 60ft (0.9m - 18.30m)
2) Auto meter or feet conversion
3) Accuracy of 0.5%+/-1 digit
4) Three memories for length, width, and height measurements 
5) Addition, subtraction, area, and volume calculation by touch of 
    relative buttons
6) Auto power off
7) Low battery display to remind you of hanging the battery
8) Laser pointer
9) One 9V battery required
10) G/B: 165 x 5 x 55mm