You are now looking at the item named 650nm 5mW Ultra Powerful Red Laser Pointer Pen. This high-quality laser pointer incorporates the latest technology in red laser optics and microelectronics. The shell of this red laser pointer pen is made of high quality metal material. You can use this laser point pen for a long time. The red laser pointer pen can emit 650nm constant wave after powered by 2 AAA batteries. With the strong red laser beam, this red laser pointer is widely used for pointing any desired targets on projection screen or pointing at stars in the night. Also it can be used in school teaching. Moreover, it comes with a pen clip, so that you can put this red laser pointer in you pocket and carry it anytime anywhere. Get one before they are sold out! The pleasure it brings to you will make it more than what you paid.