Instant and accurate distance and acreage measurement by ultrasonic    waves, an ideal tool for architects and layout designers;
Maximum measuring distance: 20/65 meter/feet
Memory for data storage and recall;
Calculates area and volume;
Displays in meter or feet;
Laser targeting on/off switch;
Data hold for easy reading;
For indoor or outdoor use.

Distance measure range: 0.5m - 20m (20inch - 65feet)

Basic Accuracy             1%

Laser wavelength          650nm

Laser safety             Class II, visible, non-hazardous

Power                     9.0V (6f22)

Product Net Weight    215g (Including battery)