405nnm Blue-Voiet Laser Pointer It can show millions of star in the sky by rotating the cap Removing the cup, it becomes norma 405nm purple laser pointer stars 30mW/Purple laser pointer

Wavelength	405nm	Size f the laser	15.8*1.2cm
Output	30mW	Life time	5000h
Working current	1<250mA	Colour of the laser	Violet lasers
Working voltage	DC=3V	Colour of the pen	Black rubber paint
Working temperature	0~+30	Range of the laser	Over 500-8000meters
Divergence angle	0.8-1.2mrad	Bateries	AAA*2pcs
Beam diameter	1.5mm	class	IIIB

Danger: Laser Raiation: never look directly into the violet beam. Never Pointer a violet laser beam at a person. Donot aim the violet beam at reflective surfaces . Donot allow children to  use violet laser pointers unless under the supervision of an adult. 

5 in1 Blue Voilet Laser Pointer/Purple laser pointer