Artificial limbs for medical instruction purposes; Camcorders; Earphones; Electronic data recorders; Micro-processors; Smartglasses; Smartwatches; Cabinets for loudspeakers; Electric navigational instruments; Optical apparatus, namely, a non-lethal security device that uses a light source to detect, warn, repel, temporarily blind, disorient, nauseate, disable, confuse, debilitate, stun, subdue, stop, or incapacitate persons or animals; Weighing machines