Richmar Single Diode Applicator for TheraTouch® LX2. Richmar's TheraTouch® LX2 simplifies laser therapy with a menu-driven touch screen interface that includes research-based clinical protocols to treat common acute and chronic conditions. An integrated dosage calculator uses multiple units of measure to display energy output based on the set treatment time. The LX2 comes standard with a 9-diode laser applicator, with single diode applicators available as additional accessories.