Smart valve?

i am considering buying a 'Smart Valve' a product of smart-tech ltd. and i was wondering if anyone has 1 and if so would they reccomend it as i am going on holiday for 1 month and this valve seems to ideal for me plus from what i have found it seems to b a great tool to have , any ideas would be much appreciated ?
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plantpotpeter


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same condition with me.....
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thomaspoul


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