SHUANG YOU 5 In 1 Multipurpose Antenna Pen With Torch, Laser, Pointer, Magnet, And Pen  (650 nm, Red)

5 in 1 retractable laser pointer is great for presentations, lectures, coaches, engineers, inspectors, designers. Fantastic as a star-pointer - easily visible at night time, the unusual bright color makes it much more noticeable. with your laser pointer to point at any desired targets on projection screens, video monitors, and presentation graphics, point out the target on the blackboard clearly by teachers; with its length, teachers can remind the inattentive students far away from him. Product features weight: 30 gm pen length: 15 cm 5 in 1 functions - flashlight/teaching/laser pointer/ball pen pressure button for led light ; laser beam red light laser concealed ball pen design helps daily writings retractable pointer which makes presentations convenient output mode: constant wave powered by 3 x lr 41 cell batteries which can be replaced easily package content 1 x retractable laser pointer pen 3 x lr 41 cell battery warning: do not look into the aperture of the laser beam, and do not aim into eye.