The Draper LDM-40M measures distances up to 40m/132ft in metric or imperial. The backlight LED screen displays area, volume and indirect measurements with an accuracy of ±1.5mm.
The memory function enables addition, multiplications and subtractions. Uses 2 x AAA batteries (not supplied)
 
Measures distances up to 40m/132ft in metric or imperial
Memory function
Guaranteed against faulty workmanship and materials for life