How long has Gain Express been offering their services?

Gain Express has been offering electronic products and testing instruments since 2003. They have years of trading experience with many customers from all around the world.

Does Gain Express offer a return for refund/exchange guarantee?

Yes, Gain Express offers returns for refund/exchange for certain cases. Check out their Return, Refund & Warranty Policy for more info.

Is it possible to extend my item's warranty?

Yes, Gain Express allows you to extend the warranty for 6 months for most items. Check out their Return, Refund & Warranty Policy for more info.

Water Level / Leak Alarms

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