5 in 1 Laser projector ballpoint pen 5 different shape:finger,line,arrow,circle,pointer. ... Fixed focus,continuous output. 5 in 1 Laser projector ballpoint pen,OEM design are welcome Feature:Portable red laser ... laserMomentary button ,pen type.Fixed focus,continuous output.Long lifetime chip,expected lifetime:more than 8000hours.Clearly visible in the dark ...