Ultra-compact design: It is incredibly portable and simple to use due to its small size.
90-degree alignment: Provides a clear, accurate means of measuring degrees and aligning objects by emitting a 90-degree laser line.

Strong infrared rays from the laser ensure visibility even in bright conditions. Bright infrared laser.
High Accuracy: Offers extremely precise measurements that are appropriate for both professional and do-it-yourself tasks.

Specification:

Type: Vertical Lamp; Horizontal Lasers

Measurement Model: 2 lines

Size: 17.1×9.8x4cm

Wavelength: 625-670nm

Precision: +-1.4mm/m
Max power output: 5mw.
Accuracy: 0.55 @ 30 feet ( 1.4mm/M).
Accuracy:90 0.1 .
Power:2 1.5v AAA batteries.(The battery not including for air shipment)

Tripod color: sliver or black, ship by random