⭕ Gently used, This device is as new as you can get. Year 2015. Includes Laser, protective case, stand, and manuals. The PL5000 is a variable frequency, four diode laser that is encased in a custom designed, aircraft quality aluminum housing to resist the rigors of daily use in the real world. Ergonomically designed to fit hands of all sizes, the dual-diode heads, conveniently clip to the side of the laser when not in use, which increases security and prevents accidental ocular exposure to both patient and doctor. Configuration: Dual Probe, Four Diodes Diodes: (4) 5 milliwatt Wavelength: 635 nm Frequency: Variable from 1 Hz - 50,000 Hz Capable of up to ten (10) presets Programmable decimal point frequencies. Enter four frequencies simultaneously. Can ship. Weight: 3.1 lbs.