50mW Red Laser Pointers

Specification : (1) Red laser pointer (2) Wavelength: 650nm (3) Battery: 2 xAAA. (4) Dimension :14 x 160mm (5) Output power: 50mw (6) Transverse Mode: TEMoo (7) Switch: Momentary switch (8) Expected Lifetime: > 8,000 hours (9) Body Material: Brass Feature Pen style, portable Well tested and high quality red laser pointer Clearly visible in the dark Fixed focus, continuous output Using long lifetime chip, more than 8000hours Application Area: Teaching , Lectures Museums