Precise measurement has never been easier. Precise and reliable measurement with laser technology. Easy measurement of distances, areas and volumes. Measuring from front and back edge. Protective bag included. Small and compact. Large display. Laser diode 635nm. Laser class 2. Measurement range 0.05-25.00m. Measurement accuracy 2mm. Measurement time 0.5-4s. Size (H)31.5, (W)18.5, (D)7cm. Requires 4 x 1.5V LR03 (AAA) included. Manufacturers 2 year guarantee.