... 30, 50, 100, 150mW green laser pen, star styleWell tested, high quality, fast delivery timeFunction: laser pen, laser pointer, Used in many applications and ... teaching batonWe can offer many color of the laser: red, blue, green, red/green 2 colors, blue/purple color. And ... hoursBattery: 2*AAA alkaline batteries, with high energyPackaging Detail: each in gift box, with white paper cover, 100pcs/CNT ...