MATRIX

Battery chargers; Computers and computer peripherals; Current converters; Electrical transducer; Electronic educational apparatus, namely, communication blocks that manipulate and convey information electronically based on their arrangement and are used for cognitive development in disciplines such as counting, spelling or quantitative; Electronic measuring device that displays a manual wheelchair user's propulsion activity, namely, number of pushes, distance traveled, speed, and cadence; Global positioning system; Magnifying lenses; Power adapters; Power connectors; Power strips; Rectifiers; Thermal imaging cameras; Voltage regulators for electric power; Voltage stabilizing power supply