---
product_id: 469990888
title: "M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA."
brand: "kemo"
price: "₪5"
currency: ILS
in_stock: false
url: https://www.desertcart.co.il/products/469990888-m158-water-detector-9-12v-dc-integrated-relay-control-sirens
store_origin: IL
region: Israel
---

# Water Detection Compact Size Low Power M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA.

**Brand:** kemo
**Price:** ₪5
**Availability:** ❌ Out of Stock

## Summary

> 💡 Stay Ahead of the Flood with M158!

## Quick Answers

- **What is this?** M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. by kemo
- **How much does it cost?** ₪5 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/469990888-m158-water-detector-9-12v-dc-integrated-relay-control-sirens)

## Best For

- kemo enthusiasts

## Why This Product

- Trusted kemo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📦 Compact Design:** Sleek dimensions (60 x 45 x 20 mm) fit seamlessly into any space.
- • **🚨 Instant Alerts:** Built-in relay activates upon water contact, ensuring immediate response.
- • **⚡ Energy Efficient:** Power consumption under 10 mA, keeping your energy bills low.
- • **🔗 Versatile Control:** Easily manage sirens and cut-off relays with dual sensor connections.
- • **🛠️ Easy Installation:** Wall mountable design with straightforward lead-through cable connections.

## Overview

The M158 Water Detector is a compact and efficient solution for immediate water detection. With a built-in relay that activates upon contact with water, it allows for versatile control of sirens and other cut-off relays. Designed for easy wall mounting and low power consumption, this device is perfect for proactive water management in any environment.

## Description

M158. When the 2 sensor connections of the module come into contact with water, the built-in relay switches on. This allows you to control sirens, other cut-off relays, etc. Operating voltage: 9 V/DC ideal, (max. 12 V/DC), (please only use a stabilised power supply). Power consumption: "Ready" <10 mA. When in contact with water, the relay switches on, <90 mA each at 9 V/DC.LED displays: 1 LED for the "Power" readiness indicator, 1 LED for the "On" display when the relay turns on.Connections: via lead-through cable.Approved cable length to the water sensor: max. 5 m with normal cable, max. 100 m with shielded cable when the shielding braid is connected to the negative pole of the supply voltage.Dimensions: moulded module housing approx. 60 x 45 x 20 mm (without mounting straps).

## Features

- When the module comes into contact with water, built-in relay switches on
- Equipped with 2 sensor connections
- Control of e.g. sirens and other cut-off relays
- Connections: via lead-through cable
- Dimensions: approx. 60 x 45 x 20 mm (without mounting straps)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Mounting Type | Wall Mount |
| Sensor Technology | Contact Sensor |
| Global Trade Identification Number | 04024028031583 |
| Manufacturer | Kemo |
| Part Number | M158 |
| Item Weight | 3.52 ounces |
| Product Dimensions | 2.36 x 0.79 x 6.22 inches |
| Item model number | M158 |
| Is Discontinued By Manufacturer | No |
| Material | lead |
| Item Package Quantity | 1 |
| Included Components | Switch |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Kemo
- **Power Source:** Battery Powered
- **Product Dimensions:** 2.36"L x 0.79"W x 6.22"H
- **Voltage:** 12 Volts (DC)
- **Control Method:** Remote

## Images

![M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. - Image 1](https://m.media-amazon.com/images/I/51F8mMzb7zL.jpg)
![M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. - Image 2](https://m.media-amazon.com/images/I/51VwnV8zkWL.jpg)
![M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. - Image 3](https://m.media-amazon.com/images/I/51+AEUgumHL.jpg)

## Frequently Bought Together

- Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA.
- MeanWell MEAN WELL HDR-15-12 Top-Hat Rail Power Supply, 15 W, 12 V, 1.25 A, 85-264VAC, Din-Rail Mount, Current Rating 1.25 Amps, HDR-15 Series

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**Shop now:** [https://www.desertcart.co.il/products/469990888-m158-water-detector-9-12v-dc-integrated-relay-control-sirens](https://www.desertcart.co.il/products/469990888-m158-water-detector-9-12v-dc-integrated-relay-control-sirens)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-01-31*