Dolphin 6-Lane Stopwatch System - 1 Watch Per Lane fitting-connection_Snap-On This Meyco pool safety cover

This Meyco pool safety cover is designed to fit a Rectangular 20 x 50 Foot Pool

These are the replacements which you can also use as extra electrodes to have on-hand

This pool depth marker states 10

and PoolShark

This skimmer is made of corrosion resistant PVC

Dolphin 6-Lane Stopwatch System - 1 Watch Per Lane fitting-connection_Snap-On This Meyco pool safety coverThis is a Dolphin Wireless 6 Lane Stopwatch System with 1 Watch Per Lane. The Dolphin System provides wireless swimming stopwatch style timing for swimming competitions. Each Dolphin system includes the specified number of stopwatches, a base unit, starter unit, and Dolphin software. It significantly reduces the amount of effort required to run a meet and manage data. By transferring all timing data wirelessly, the system has improved accuracy