1. Make flat with the bubble tube level. (Same as for vertical) 2. When you switch ON, it displays flat line from 35mm upper the floor with laser light. (when conventional yarn is pulled and used) 3. Laser light is visible up to 30m inside and 10m outside. (Depending on conditions)
4. Search for the horizontal line based on the laser light at a distance.
Laser light/ source visible light red semiconductor
Laser wavelength/ 645 nm
Output up to 1 mW (JIS class 2)
Laser life/ countinous use 10000 hours (20 degree use)
Beam radius/5m at light position around phi3mm(indoor)
*Reference / interior light 200-30