Pro Shot Alpha-v Vertical Plumb Laser
The Alpha-v is a high-precision plumb with twin visible laser beams (upward & downward); Unbeatable Plumbing Accuracy.
Laser Reference's Alpha-v offers the highest level of plumb precision in its class: ±5 arc sec. above and ±1 arc min. below.
Since the laser beams are directed both up and down, it is easy to locate points vertically above and directly below a 
given point.
Specifications
  
  Measurement range up .........330 feet (100 meters)
  Measurement range down ....16 feet (5 meters)
  Beam accuracy up ................±5 arc sec.
  Beam accuracy down ............±1 arc min.
  Self-Leveling Range ..............±4 Degrees • servo motor leveled
  Power Supply ........................Four C-cell Alkaline batteries
  Run time: down beam on ......65 hrs. (continuous)
  down beam flashing ......100 hrs. (continuous)
  Automatic Shut-off .................If off-level for more than 3 min.
  Dust and water sealed ..............To international standard IP56
  Operating Temperature .........-4ºf to +122ºf (-20ºc to +50ºc)
  Storage Temperature ............-40ºf to +140ºf (-40ºc to +60ºc)
  Laser classification ................CDRH Class 3A, IEC 825-1 Class 3R
Height / Weight .....................6.5in (16.5cm) / 4.0lbs (1.8kg)
Manuals and Brochures
Download Laser Reference Alpha-v  Brochure.
Download Laser Reference Alpha-v  Manual.