635nm Red Doctor's Laser
There are also reds in the 650 to 670 nm range, which are laser pointers that you buy at an office supply store for presentations. These are not particularly well suited to acupuncture and do not have the same biological effects as 635 nm lasers.
This is a heavy duty instrument, manufactured in the USA, is designed for long use with a constant on/off button in the base. This laser is a plus power, constant wave diode circuit type with computerized APC. The lasers are factory tuned and tested on a laser power meter. This comes with a 1 year warranty. This device uses the patented laserlift collimunating tips. The unit is supplied with a padded nylon travel case to protect the laser and accessories. The kit includes the Laserlift Line Generator, 2 straight and 2 angled dental tips, 6 disposable 2.75 mm and 6 disposable 4.25 tips. This is the laser of choice for professionals worldwide.