portable waterproof electronic measuring and timing instruments used to monitor environmental conditions, namely, wind speed, temperature, relative humidity, heat stress index, dew point, biometric pressure, and altitude; megaphone; portable waterproof megaphone; miniature waterproof rechargeable amplifiers; audio waterproof speakers; speaker system, namely, microphone, speakers, cables, boxes and microphone and speaker stands; waterproof electronic sound amplification, measuring and timing instruments used to monitor rowing, paddling and kayaking conditions such as time, speed, pace, stroke rate and stroke count; electrical navigational instruments; computer hardware, namely, a physical interface device and parts for such interface device used for the transfer of stored data from a stopwatch to a computer; computer software for initializing and controlling data downloaded from a stopwatch to a computer, computer software used to save, organize and view data downloaded from a stopwatch to a computer

stopwatches and parts for stopwatches