Motion detector with brightness sensor – outdoor

Detect movement at your front door with the outdoor motion detector, and also use it to connect various functions in your smart home.

Motion detector with switching actuator – outdoor, anthracite

Detect movements outdoors immediately

Do you arrive home late at night and don’t want to stand in front of the door in the dark? The weatherproof motion detector with switching actuator – outdoor, anthracite reliably monitors the outdoor areas and automatically switches the light on for you when it detects movements.

Colour variants
anthracite
anthracite
white
white
Glühbirne

Powerful, whether it’s light or dark

The integrated brightness sensor switches itself on not just when it's dark but also at dusk or on cloudy days.

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The powerful lens detects movement at a distance of up to 12 metres. The sensor can also be rotated through 360 ° to cover the desired area.

Glühbirne

No wiring means flexible installation

Install the motion detector wherever you choose. Battery operation and wireless communication give you maximum flexibility.

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You can also install the motion detector outdoors or in the garage.
The wide temperature range of -20 to +40 °C and the weatherproof housing (IP44) allow you to do that.

Zahnräder mit Haken

Fail-safe and reliable

An alarm can be triggered even if the internet connection is inactive, as the devices communicate directly with each other

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For example, if a burglar were to destroy an access point, the other devices would still be active for you.

Colour variants
anthracite
anthracite
white
white
Haken mit Funkwellen

Everything in view

The Homematic IP app always gives you an up-to-date overview of your smart home – so you can feel secure even when you’re out and about.

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In activated protection mode, a message is immediately sent to your smartphone when motion is detected, and an alarm is displayed in the app.

Handy mit Auge

Reliable and fail-safe

An alarm can be triggered even if the internet is down, as the devices communicate directly with each other.

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If, for example, a burglar were to destroy an Access Point, the other devices would continue to be active.

Your advantages at a glance

Do you want to live more safely, save money and protect the environment, or simply increase your living comfort? There are many good reasons for a Smart Home. Find out more now!

Control access

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Deter burglars

Homematic IP Alarmsirene außen an Hauswand
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Use the app

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Understand our products

Test
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05. July 2023

Travel with a safe feeling: How to protect your home with smart home technology

No one there to look after the house during the holidays? No problem, because your Smart Home protects itself: It keeps burglars away and lets you know immediately if something should happen.

Find out more

Homematic IP: Smart living. Simply exciting.

Homematic IP means modern, flexible and secure technology from the European market leader*. Let the advantages of our system win you over, and start living smarter straight away. 

Homematic IP
With some smart home providers, you have to make a choice: Do you have everything wired, or do you go fully wireless? Some systems are also hermetically sealed and do not accept devices from other manufacturers. Here at Homematic IP, we have a different approach. We are guided by you!
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The Homematic IP app

Configure all settings for your smart home in the Homematic IP app, which you can use to control, regulate and monitor your devices at any time. No personal data is collected except for the IP address.

Homematic IP Wired
A smart home system is particularly robust, interference-proof and reliable when the devices communicate with each other via wired connections. And data transmission is very fast with cables, too. That all comes together with Homematic IP Wired.
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Always here for you and your queries.

Whether you have a question about a product, something isn’t working as you wanted, you’re looking for a specialist partner, or you simply want to give us feedback: we are always here to help.

FAQ

FAQs

This is where you’ll find the most important questions and our answers about our smart home solutions.

Service

Service

Have you purchased a Homematic IP product and now have questions about how it works? Our technical support team will be happy to help you.

Installateur Suche

Specialist tradespeople

Are you looking for a good specialist tradesperson near you? Simply use the convenient search function here on our website.

Händler Suche

Dealers

You can get Homematic IP products and good advice all over Germany. Find the right dealer near you here.

Innovations, ideas, impulses: your news

Get first-hand news about the latest innovative smart home solutions. 

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eQ-3 presents a comprehensively expanded portfolio
eQ-3 will be presenting the upcoming highlights of its Homematic IP smart home system at Light + Building 2026The company is expanding its product range with a fully integrated alarm system, introducing a smart solution for protection against water damage and adding intelligent lighting solutions, control elements and other automation components to its range.
08. March 2026
Product Variants

Motion detector with switching actuator – outdoor, anthracite

Order information

Product Name (Short)
HmIP-SMO-A-2
Item Number
158238A0
EAN Code
4047976582389

Technical data

Supply voltage
230 V/50 Hz
Current consumption
5 A max.
Typical battery life
6 years (typical)
Power consumption in standby
0.5 W
Minimum load
1 W
Switching capacity
1150 W
Relay
NO contact, 1-pole, µ contact, bistable
Load type
Resistive load
Cable type and cross section
Rigid and flexible cable, 0.75-2.50 mm²
Degree of protection
IP44
Dimensions (W x H x D)
78 x 126 x 140 mm
Ambient temperature
-20 to +55°C
Weight
311 g
Radio frequency
868.0-868.6 MHz/869.4-869.65 MHz
Typ. open area RF range
200 m
Detection range
20 m
Detection angle
180 °
Detection angle horizontal
90°
Function type
Motion / presence detector
Connection
Wireless
Color
anthracite
Homematic IP User Guide

Version: July 2025

20.99 MB
Overview of Homematic IP QR Code Stickers
50.09 KB
Operating manual Motion detector with switching actuator – outdoor

Short description: HmIP-SMO230 / HmIP-SMO230-A | Product reference: 156737A0 / 158238A0

3.17 MB
Datasheet Motion detector with switching actuator – outdoor

Short description: HmIP-SMO230 / HmIP-SMO230-A | Product reference: 156737A0 / 158238A0

1.23 MB
Declaration of conformity Motion detector with switch actor – outdoor, anthracite

Short description: HmIP-SMO230-A | Product reference: 158238A0A

104.62 KB