Specification: (1) Green laser pointer (2) Wavelength: 532nm (3) Laser range: 1800-8000 meters (4) Battery: 1 XCR2 (5) Dimension: 20x 100mm (6) Output power: 30mw-150mw (7) Transverse Mode: TEMoo (8) Switch: Constant on/off button (9) Expected Lifetime: > 8, 000 hours (10) Body Material: Brass Feature Portable size Constant on/off switch on back Well tested and high quality green laser pointer Clearly visible in the dark Fixed focus, continuous output Using long lifetime chip, more than 8000hours Application Area: Astronomy enthusiasts Museums, Gallery guides Building field / mining field Business person/ Conference Speaker Bars, KTV, clubs, concert site Packing list: 1xManual 1xCR2(Note: More than 100mw provided rechargeable battery and charger) 1XBlack Gift box 1X Laser pointer Package information: Qty: 50 PCS/carton N. W: 12.5kg G. W: 13kg Carton Size: 36.5cmX35cmX17cm Products color: Black Warranty: 1 Year Factory warranty