APNA KANHA Antenna Pen with Led Light and Red Laser Pointer  (650 nm, Red)

Use your laser pointer to point at any desired targets on projection screens, video monitors, and presentation graphics. You can use it also for forensics, illumination, indicating, alignment or just being cool. Description 100% brand new red laser pointer design with clip, can hold it in pockets or clip on notebooks best suitable kit for professors, teachers, doctors, student presentation etc... This multi-function pen have a four functions: ferule , ball pen, laser pointer & led light torch you can find a two button in the top of this multi-function pen for led light torch and red laser pointer output mode: constant wave output power: less than 5mw. Output wavelength: 650 nm powered by 3 x button cell batteries color of pen: silver cautions: avoid direct eye exposure to laser beam.