Altimeters; Pedometers; Scales; Tachometers; Air analysis apparatus; Automatic indicators of low pressure in vehicle tires; Baby monitors; Calculating machines, data processing equipment and computers; Carpenters' rules; Computer equipment, namely, wireless cards; Computer network hubs, switches and routers; Depth gauges; Drying racks for photography; Frames for photographic transparencies; Projector lamps; Selfie sticks; Shutter releases; Slide calipers; Speed indicators; Wearable computer p...