Product Applications：DZJ2-L is widely applicable in construction projects, engineering installation, project supervision, and deformation observation. Such as: high-rise buildings, elevators, mines, water towers and chimneys, large-scale equipment installation, aircraft manufacturing, shipbuilding, and other industries.

Performance Specifications:
Vertical measurement standard deviation to the previous measurement: 1/45,000
Downstream diametrical observation limit error: 1/2000
Long level angle value: 20″/2mm
Telescope Magnification: 25×
Field of View 1°50'
Effective Objective Aperture: 36mm
Short Distance: 0.8m
Wavelength: 635nm
Luminous Power: 5mw
Effective Laser Range: ≥100m (Daytime): ≥250m (Nighttime)
Laser spot diameter ≤ 3mm/50m
Collimation axis alignment error with vertical axis: ≤5″
Laser optical axis alignment with line of sight ≤5″
Short Focus Distance: 0.5m
Laser Spot Wavelength: 650nm
Output Power: 0.1mw, powered by 2 AA batteries or rechargeable batteries
Operating Temperature Range: -10℃ to +50℃
Instrument Weight: 2.8 kg
Focusing Range: 0.5～∞