5 in 1 Laser projector ballpoint pen 5 different shape:finger,line,arrow,circle,pointer. Fixed focus, ... . 5 in 1 Laser projector ballpoint pen,OEM design are welcome Feature:Portable red laser pen with 5 different shape:finger,line ... ring on the front of the pointer.Portable laserMomentary button ,pen type.Fixed focus,continuous output.Long lifetime chip,expected lifetime:more ...