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header-product X-Sense FS121 Fire Alarm System with 100 dB Alarm and 50 m Range
245.99 €

X-Sense FS121 Fire Alarm System with 100 dB Alarm and 50 m Range

X-Sense FS121 Fire Alarm System Photo 1
X-Sense FS121 Fire Alarm System Photo 2
X-Sense FS121 Fire Alarm System Photo 3
X-Sense FS121 Fire Alarm System Photo 4
X-Sense FS121 Fire Alarm System Photo 5
X-Sense FS121 Fire Alarm System Photo 6
X-Sense FS121 Fire Alarm System Photo 7
X-Sense FS121 Fire Alarm System Photo 1
X-Sense FS121 Fire Alarm System Photo 2
X-Sense FS121 Fire Alarm System Photo 3
X-Sense FS121 Fire Alarm System Photo 4
X-Sense FS121 Fire Alarm System Photo 5
X-Sense FS121 Fire Alarm System Photo 6
X-Sense FS121 Fire Alarm System Photo 7
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Short description

The X-Sense FS121 is a reliable fire alarm system designed for enhanced home safety. It features a powerful 100 dB alarm and a maximum operating range of 50 meters. The device is powered by both AC and a lithium battery, ensuring continuous protection. With its compact white design, it integrates seamlessly into any interior while providing essential fire detection capabilities for residential environments.
Available for order: 8 pcs.
Warranty: 2 Years
SKU: 12517517
Manufacturer: OEM
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
15.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
20.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.94 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
20.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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3 mth. х 82 €

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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 6.83 euros per month
Together cheaper
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Product information

Description

The X-Sense FS121 Fire Alarm System is a robust safety solution engineered to provide reliable fire detection for residential properties. Featuring a powerful 100 dB alarm, this device ensures that occupants are alerted promptly in the event of smoke or fire. Its compact white design allows it to blend discreetly into various home interiors, while the dual power system, utilizing both AC and a lithium battery, guarantees continuous operation even during power outages.

Advantages

This fire alarm system offers significant peace of mind through its high-decibel output, which is designed to be audible throughout a standard home. The integration of a lithium battery backup ensures that the device remains functional during electrical failures, providing uninterrupted monitoring. Its compact dimensions and lightweight build make installation straightforward, while the 50-meter operating range provides extensive coverage for various room layouts.

Suitable for

  • Residential homes and apartments
  • Living rooms and bedrooms
  • Hallways and corridors
  • Home offices

This device may not be suitable for large industrial facilities or commercial warehouses where specialized, multi-zone fire suppression systems are required. It is also not intended for outdoor use or in environments with extreme humidity or temperatures that exceed the manufacturer's specified operating conditions.

Key specifications

  • Alarm volume: 100 dB
  • Maximum operating range: 50 m
  • Power source: AC and lithium battery
  • AC adapter output: 5 V, 1 A
  • Dimensions: 90 x 90 x 26.5 mm
  • Weight: 78 g
  • Color: White

How to use

To use the X-Sense FS121, mount the device in a central location on the ceiling or wall according to local fire safety regulations. Connect the unit to the provided AC adapter for primary power. Ensure the lithium battery is correctly installed to serve as a backup power source. Once powered, perform a test by pressing the test button to verify that the alarm sounds at the expected volume. Regularly check the device status to ensure it remains active and clear of dust or obstructions.

What to consider before purchase

  • Check your local building codes regarding fire alarm placement requirements.
  • Ensure you have a suitable power outlet nearby for the AC adapter.
  • Verify that the 50-meter range is sufficient for your specific floor plan.
  • Consider the number of units needed to cover all sleeping areas and common rooms.

Usage recommendations

Regularly test your fire alarm system at least once a month to ensure the sensor and alarm are functioning correctly. Keep the device free from dust and debris to prevent false alarms and maintain optimal sensitivity.
All features
AC adapter output voltage:
5
AC adapter output current:
1 A
AC adapter included:
Yes
Alarm decibels:
100 dB
Maximum range:
50 m
Battery low indication:
Yes
Power source type:
Battery, AC
AC input frequency:
50/60
AC input voltage:
100-240
Test button:
Yes
Central control unit operating temperature (T-T):
4.4 - 37.8
Central control unit operating relative humidity (H-H):
0 - 85
Central control unit dimensions (WxDxH):
90 x 90 x 26.5
Central control unit weight:
78 g
Carbon monoxide (CO) detector:
Yes
Smoke detector:
Yes
Emergency audible alarm unit:
Yes
Fire alarm control unit:
Yes
Number of smoke detectors:
12
Battery voltage (detector):
3 V

Features

Product colour:
White
Number of devices supported:
50

Battery

Battery technology:
Lithium

Technical details

Compliance certificates:
RoHS, CE

Packaging content

Batteries included:
Yes

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

How much does the X-Sense FS121 Fire Alarm System cost, and is it available for purchase?

The price is 245.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 15.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can X-Sense FS121 Fire Alarm System be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the X-Sense FS121 Fire Alarm System online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All OEM products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized OEM service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

Where can I download the instructions for X-Sense FS121 Fire Alarm System?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.