... of the laser: red, blue, green, red/green 2 colors, blue/purple color. And offer different power: 5mW, 10mW, 30mW, 50mW, 80mW, 100mW, 150mW ... not allow children to use green laser pointers unless under the supervision of an adult. 2 IN 1, 100mW laser pointer pen, star & point