Anti Blue Light Glasses Test Pen Teaching Flashlight Cat Catch The Beam Light

1. Specifications: diameter 14×155mm
2. Material: copper + aluminum
3. Batteries used: 2 x AAA dry batteries (not included)
4. Output wavelength: blue-violet light 405nm
5. Output power: 5MW
6. Range: 10-100 meters
7. Spot diameter: The minimum spot diameter is less than or equal to the diameter of 1.0mm; the light spot at 15m is less than the diameter of 18mm
8. Circuit control: APC line
9. Working voltage: DC 3.0V
10. Starting voltage: DC 2.3V
11. Working current: less than 350mA