Livewell Timer / Switch Pro-Timer+ProTimer™ automatically turns your pump on
and off for desired circulation and aeration. Set the ProTimer to the desired
interval and concentrate on fishing. ProTimer conserves battery life, is easy
to install and easy to operate. Can be connected to an existing switch in your
boat (3 position, center off recommended). ProTimer Plus+™ has all the features
of ProTimer™, plus it comes with a master control switch to control on, off or
timed livewell operation.