100mW 405nm Handheld Violet Purple Blue Beam Laser Pointer Pen (

Specifications:

* Wave Length: 405nm
* Output Power: 100mW
* Power: 2 x AA Batteries
* Size: 160 x 21mm/6.3 x 0.8in (L x Dia.)
* Materials: Aluminum Alloy

Features:

* This violet laser pointer is with compact design and lightweight laser
* The blue laser pointer has better visibility and better penetrability
* This violet laser pointer is a great item for star parties and backyard astronomy
* The violet laser pointer can trace the constellations or point out a target or location with ease
* This 100MW laser pointer pens are great teaching tools for astronomy outreach and education
* Talk about the stars with confidence that everyone sees the correct stars and constellations