1. Adopting a wavelength of 635nm semiconductor laser. The laser line is clear and bright.
2. Self leveling and beyond the scope of automatic alarm function.
3. Emit one vertical line and one horizontal line, plumb below point.
4. Design of the chassis circular bearing can rotate 360 degrees to instrument, make a beam of light
5. Good-looking appearance, small, and easy to take. It can use indoor and outdoor(with the receiver