WHAT A WALLY

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I got this it is an  "Orbit  Yard Enforcer" it has 4 settings  on / day / nignt / always, it is if you will
a motion sprinkler that you can add another 3 sprinkler heads that would cover 1600 sq ft to stop cats
dogs and foxes, you can set how long its on and how much water it will use.

Right heres the wally bit i had set it up  angles etc turned it on to always  stood behind it tested the pir
all good. 
My wife called she made a cuppa so i came up to the house  then a knock on the door its my mate  ian so she made him cuppa, then after a chat  she went down to the tunnel to pot some sweet pea seeds, then all hell broke out i forgot to turn the hose off, she come storming up the garden i said to ian dont go yet, all i can say im lucky not to be writing this  from  A & E   

Oooops!!