Alarm monitoring systems; Cabinets for loudspeakers; Car video recorders; Chargers for electric batteries; Computer peripheral devices; Contacts, electric; Data processing equipment, namely, couplers; Earphones and headphones; Electric door bells; Electric and electronic video surveillance installations; Loudspeakers; Radar apparatus; Radios; Smartglasses; Smartwatches; Solar batteries; Sonars; Virtual reality headsets; Electrical plugs and sockets; Rechargeable electric batteries