X-Sense XS0D-MR31 Smart Smoke Alarm with Magnetic Mount

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Product guide

X-Sense XS0D-MR31 Smart Smoke Alarm with Magnetic Mount

The X-Sense XS0D-MR31 is a battery-powered smart smoke alarm designed to connect through an SBS50 base station. The listing describes app alerts, wireless interlinking and magnetic or screw mounting, while its package list specifies three alarms and one base station.

At a glance

App connection and notifications require the SBS50 base station and 2.4 GHz Wi-Fi.
Manufacturer claims alerts for smoke detection, faults and low battery when connected to the app.
The listing describes wireless interlinking with Link+ and Link+ Pro products. It says alarms continue to function if the base station goes offline.
Magnetic pads allow removal and replacement, while screw mounting is also described.
Home Assistant compatibility and user-configured automations are claimed by the listing.

Price

£59.99Save 20%

Reference price: ~~£74.99~~

Price checked: 12 Nov 2026

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Often bought together

X-Sense Wi‑Fi Smoke and Carbon Monoxide Alarm, App Control, SC07-WX, 1-Pack | with Replaceable Battery, Smart Fire Alarm Comp

£39.09

X-Sense Wi-Fi Smoke and Carbon Monoxide Alarm, Voice Alerts, XP0A-iR,2-Pack | with Replaceable Battery, Compatible with X-Sen

£63.74

Pros and cons

Pros

Magnetic-pad and screw mounting options offer flexibility during installation.
The claimed replaceable CR123A battery avoids a sealed-battery-only design.
When paired with the base station, the listing describes both a base-station sounder and app notifications.

Cons

App notifications depend on the separately specified SBS50 base station and a 2.4 GHz Wi-Fi connection.
The listing describes a battery life of up to five years under weekly self-checks, shorter than its stated 10-year product service life.

Technical specifications

13 specifications

Identity
Brand	X-Sense
Model	XS0D-MR31

Power and battery
Power configuration	Battery Powered

Dimensions and installation
Dimensions listed	11D x 11W x 3H centimetres
Weight listed	0.59 Kilograms

Materials and protection
Material listed	fireproof ABS

Connectivity and alerts
Connection style	2.4 GHz Wi-Fi Connection via Base Station
Listed colour	White
Alarm buzzer	85 dB
Base station sound	100 dB
Open-area transmission range	1,640 ft (500 m)

Service life and mounting
Designed service life	10-year service life
Battery life claim	up to 5 years with weekly self-checks

What to know before buying

Listing details to confirm

The listing’s title and feature text refer to an XS0D-MR31 alarm, while its explicit contents list names three XS0D-MR alarms. The quantity and exact alarm variant are therefore inconsistent across the listing. The contents list also specifies one SBS50 base station, whereas the product details say one item. Confirm the selected listing’s exact bundle before buying. Battery-life figures are manufacturer claims, with the up-to-five-year estimate conditioned on weekly self-checks.

What’s in the box

Included

3 × Smoke Alarm XS0D-MR
3 × Magnetic Adhesive Pad
3 × Battery CR123A
3 × Mounting Bracket
6 × Screw
6 × Anchor
1 × Base Station SBS50
Power adapter
1 × Power Cable
User manual

Who is it for?

A good fit for

Households seeking connected smoke alarms with app notifications through an SBS50 base station.
Buyers who prefer magnetic mounting for easier removal, or want the option of screw mounting.
Homes already using compatible X-Sense Link+ or Link+ Pro devices, subject to checking the selected bundle.

Less suited to

Buyers who need app alerts without a base station or cannot use 2.4 GHz Wi-Fi.
Buyers who need a clearly confirmed alarm count and exact model variant without checking the bundle details.

X-Sense XS0D-MR31 Smart Smoke Alarm with Magnetic Mount · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 82 ratings

5 stars66%66%
4 stars21%21%
3 stars5%5%
2 stars0%0%
1 star8%8%

Customer feedback describes the alarms as reliable, good quality and easy to set up, with some positive comments about value. Experiences with connectivity and the app are mixed, as are views on loudness and ease of use. These points matter for a system that relies on a base station for app connectivity and whose listed sound levels differ between alarm and base station. The aggregate ratings lean positive but do not resolve the mixed reports or confirm performance in a particular home.

Positive themes

Customers report reliability, good quality and straightforward setup.

Mixed feedback

Customer feedback is mixed on connectivity and app functionality, including a reported concern about smart-home ecosystem integration.
Feedback on loudness and ease of use is mixed.

Frequently asked questions

Does the XS0D-MR31 connect directly to Wi-Fi?

The listing says app connectivity requires the SBS50 base station and supports 2.4 GHz Wi-Fi only.

What is listed in the package?

The explicit contents list specifies three XS0D-MR alarms, three magnetic pads, three CR123A batteries, three mounting brackets, six screws, six anchors, one SBS50 base station, one power adapter, one power cable and one user manual. The title and contents list differ on alarm model and quantity, so verify the selected bundle.

How can the alarm be mounted?

The listing describes both magnetic adhesive pads and screw mounting.

What battery life does the listing claim?

It states that the replaceable CR123A battery lasts up to five years with weekly self-checks. This is a manufacturer claim, not a guaranteed duration.