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Home emergency essentials

Battery-Powered Water Leak Alarm

Noticing water near household appliances

Highlights & buying advice

About this item

  • Included: One leak alarm; battery inclusion depends on selected option
  • Details: Water-contact sensor; approx. 8.2 cm diameter × 3.2 cm high; supplier-rated 85dB sound
  • Power: 9V alkaline battery

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Good to know
Choose the alarm-only or battery-included option. This is a local audible alarm, not a flood-warning or remote-alert system.

Product details & specifications

The details that matter

Product overview

How we choose and describe our products →

Place a local audible alarm near a washing machine, water heater, or sink to help notice water collecting on the floor.

What to expect

  • Water-contact sensors trigger an audible alarm.
  • Uses one 9-volt battery. Choose the alarm-only option or the option that includes a battery.
  • No Wi-Fi or app connection is required.

Test regularly and follow the supplied instructions. This is a local leak alert, not a flood-warning system or a replacement for weather alerts.

Know what you’re choosing

How we choose and describe products →

Useful for
Noticing water near household appliances
What’s included
One leak alarm; battery inclusion depends on selected option
Details & size
Water-contact sensor; approx. 8.2 cm diameter × 3.2 cm high; supplier-rated 85dB sound
Power & batteries
9V alkaline battery
Runtime
Up to one year battery service, supplier estimate
Before you use it
Choose the alarm-only or battery-included option. This is a local audible alarm, not a flood-warning or remote-alert system.

Specifications are based on supplier information reviewed November 10, 2026. Performance estimates vary with use. Where a specification is not confirmed, we say so.

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Shipping & returns

Shipping & returns

Free standard U.S. shipping · No minimum order.

Supplier delivery estimate: 8 days. Processing may be additional. This is an estimate, not a guaranteed arrival date.

30-day return requests for unused items in original packaging. You pay change-of-mind return shipping. We cover confirmed damaged, defective or incorrect items. Return details.

Items may arrive separately. Order ahead of an emergency. Shipping details.

Build on what you have

Complete your setup

Practical extras selected to complement this item. Each is sold separately. Choose only what you need; this is not a complete emergency kit.

Real experiences. Useful details.

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A little more clarity

Questions before you buy

Answers from the product details and our store policies.

What is included?

One leak alarm; battery inclusion depends on selected option

How is it powered?

9V alkaline battery

What should I check before using it?

Choose the alarm-only or battery-included option. This is a local audible alarm, not a flood-warning or remote-alert system.

Is this a complete emergency kit?

No. This is an individual product. Use our household checklist to plan food, drinking water, medicines and other essentials around what you already own.

Can I return it if it isn’t right for me?

You can request a return within 30 days of delivery for unused items in their original packaging. You pay change-of-mind return shipping; we cover confirmed damaged, defective or incorrect items. Read the full return policy.

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