You can focus the beam to the smallest. ??You can choose one 18650 li-on battery or you can short it for a 16340 li-on battery as you like. ??It has safety lock function with keys, you can turn the key to the red point to lock it, and turn to the green point to unlock it. This becomes more safe when it is rechable to a child. Features: Output: Power Wavelength: 532nm Working Voltage: 3.7V Working Temperature ＋15 ℃~＋35 ℃ Duty Cycle 60 seconds ON, 15 seconds OFF Focusable: Yes Click the "Add to Cart" Button, You can see beautiful and strong green laser beam at day time!
Trustpilot
2 weeks ago
3 weeks ago
