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