EASY STEPS:
Step 1: Position and place unit against wall adjust until bubble is level.
Step 2: Turn on depress ON/OFF button to shoot a perfectly straight laser line.
USE TGE DOT TO:
Hanging pictures
Build a level wail
Align shelves
Perfect aligning
Decorate your home
Wavelength: 650nm
Laser power: ≤3mw
Level vial accuracy: 30'/2mm
Beam level accuracy: ±1. 5mm/3m
Voltage: 3V