200319 Dot + Gypsophila 635nm 5mW Red Laser Pointer Pen - Black (2 x AAA)
Model 200319 Quantity 1 Color Black Material Aluminum alloy Laser color Red Laser Power 5 mW Wave Length 635 nm Working Voltage 2.4~3 V Battery Configuration 2 x AAA (not included) Functions Best choice for teachers professors doctors and so on. Other Feature Continuous output and working time of over 5000 hours; Output Type: Light beam(without the optical lens) and starry sky pattern(use the optical lens). Packing List 1 x Laser pointer