Acoustic alarms; Alarm control apparatus; Diving apparatus; Diving equipment; Underwater dive computers; Smart watches; Sound alarms; Sound alarms, other than for vehicles; Depth gauges; Depth determination apparatus; Devices for measuring water depth; Apparatus for measuring temperature (other than for medical purposes); Educational science apparatus and instruments; Scientific apparatus and instruments; Temperature sensing apparatus for scientific use; Scientific apparatus; Temperature indicating apparatus; Devices for measuring water temperature; Underwater communications devices; Diving instruments; Trackers (computer apparatus); Pressure meters; Wearable activity trackers; Data logging apparatus; Pressure recorders; Application software; Communication software; Data communications software; Data processing software; Downloadable software applications (apps); Communications processing computer software; Computer graphics software; Computer hardware; Computer operating programs; Computer software; Computer software (programs); Computer software applications (downloadable); Computer software downloaded from the internet; Computer apparatus; Accelerometers; Wireless communication apparatus

alarms; diving apparatus; diving equipment; computers; smart watches; sound alarms; acoustic alarms; depth gauges; depth determination apparatus; devices for measuring water depth; temperature sensing apparatus for scientific use; apparatus for measuring temperature (other than for medical purposes); educational science apparatus and instruments; scientific apparatus and instruments; scientific apparatus; temperature indicating apparatus; devices for measuring water temperature; underwater communications devices; diving instruments; underwater dive computers; trackers (computer apparatus); pressure meters; wearable activity trackers; data logging apparatus; pressure recorders