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STREX

Art.-Nr. 137640765

STREX SP221 Smart doorbell Black

STREX

Art.-Nr. 137640765

€29.99
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Delivery to your home

Delivery 09-06-2026

+ € 0,–

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With the Strex Wireless Doorbell set, you will always hear clearly when someone rings the bell. Both the transmitter and the receivers operate on batteries, allowing them to be placed anywhere you want. The receiver has a range of 300 meters and offers the option to choose from 58 different melodies and 4 different volume levels. The set comes with 1 doorbell and 2 receivers and can be placed anywhere in the house.

Reliable range up to 300M
The Strex doorbell has a range of up to 300 meters. More than enough for homes and business premises, but also for farms or as an extra bell in the garden. The system uses a interference-free digital signal, ensuring the doorbell set works flawlessly even in well-insulated homes.

Waterproof & robust
Stylish modern design with a waterproof and dustproof IP55 protection rating. Suitable for both indoor and outdoor use.

58 Different melodies
With no less than 58 melodies to choose from, this doorbell set always has a ringing sound to suit your taste. The receivers have 4 different volume levels between 0 and 115DB to choose from, making them suitable for any environment. From a quiet bedroom to a noisy office.

Your benefits
✓ Ample range of 300M
✓ Simple installation
✓ Different melodies and volume levels
✓ Can be used indoors & outdoors
✓ Set with 2 receivers and 1 transmitter

Easy installation
Both the transmitter and the receivers operate on batteries. This means you can simply place the receivers in the desired location and easily mount the doorbell with the included adhesive strips or screws, select a nice melody, and you're done!

Multifunctional
Suitable for homes, apartments, commercial halls, offices, and more.

Specifications

  • This set contains 1 transmitter and 2 receivers. Both the doorbell and the receivers operate on batteries
  • Up to 300 meters range (open field) / 300 meters indoors
  • Water-resistant IP55
  • LED Indicator
  • 58 Melodies
  • 4 volume levels between 25-115DB
  • Dimensions doorbell: 8.5 x 2.5 x 1.5 CM
  • Dimensions receiver: 8 x 8 x 7 CM
  • Doorbell battery: 12V 23A (Lifespan of 3 years and replaceable)
  • Mounting material included
Couplable: The sets are mutually couplable. So two (or more) of these sets can be linked together. For example: 2 push buttons and 4 receivers, or 1 push button and 4 receivers are all possible.

Technical features

Product type

Smart doorbell

Equipment

Compatible with app

Yes

Power supply

Battery type

Universal

General features

Color (by manufacturer)

Black

Weight (according to the manufacturer)

150 g

Weight

150 g

Scope of delivery

1x Strex Doorbell (Transmitter) 2x Strex Receiver (Battery-powered) 1x Screwdriver 1x Mounting material 1x Adhesive strip 1x Manual

Packsize

12.3 cm / 3.6 cm / 17 cm

Material

ABS

Width

2.5 cm

Height

1.5 cm

Depth

8.5 cm

Scope of SmartHome

Dorr bells

System or compatible with system

Universal

Update policy

Model year

2022

Product Introduction date

2022-03-01

Manufacturer-supported software updates

Yes

Min. duration of supported software updates

2 Year

Additional update-information

Security updates if applicable

Update policy

Security updates if applicable

General Product Safety

GTIN

8720254661452

Product type

Smart doorbell

Manufacturer

Manufacturer

SBD Trading B.V.

Contact

SBD Trading B.V.

Website

https://sbdtrading.nl/

E-mail

[email protected]

EU established

Yes

Address

Van der Landeweg 7

City

Deventer

Postcode

7418HG

Country

Netherlands

Address suffix

Hoofdkantoor