New Helium Neon laser system that includes: Cylindrical laser head Lab style power supply Alden extension cable Users manual Specifications: Output Power: 1.7 mW minimum 2.5 mW typical Wavelength: 632.8 nm RED Polarization: Linear, 500:1 Mode: TEMoo Beam Diameter: 0.80 mm Beam Divergence: 1.35 mRads. Input Voltage: 110 / 220 VAC, 50-60 Hz. Dimensions: Head: 274 mm long 44.5 mm dia. Power Supply: 204 mm long 107 mm wide 36 mm tall Warranty: Limited 1 year from date of purchase. CDRH Class: 3a
