Indoor Outdoor Thermometer TFA-Dostmann Horizon Black

Name: Indoor Outdoor Thermometer Hygrometer TFA-Dostmann 35.1155.01
Brand: tfa dostmann
SKU: 7690999
Price: 32.49 EUR
Availability: InStock

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Indoor Outdoor Thermometer Hygrometer TFA-Dostmann Horizon Black

Indoor Outdoor Thermometer TFA-Dostmann Horizon Black Photo 1

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Short description

The TFA-Dostmann Horizon Black is a versatile indoor and outdoor thermometer and hygrometer. It features wireless connectivity, measuring temperature and humidity trends. Powered by AAA/AA batteries, it has a sleek design with dimensions of 158 mm width, 26 mm depth, and 123 mm height. Ideal for monitoring your environment effectively.

Available at price 32.49 €: 20 pcs.

Total available for order: 43 pcs.

Warranty: 2 Years

SKU: 7690999

Manufacturer: tfa dostmann

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Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

30.06.2026 {{selectedOffer.officeDeliveryString}}

free

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

30.06.2026 {{selectedOffer.officeDeliveryString}}

free

Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!

03.07.2026 {{selectedOffer.courierDeliveryString}}

From 4.99 € (Weight: 0.39 kg)

Parcel couriers

Latvijas Pasts pakomāts / Unisend / DPD Paku skapis / Omniva / Venipak Pickup / Venipak Locker / Latvijas Pasts nodaļa

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From 1.99 €

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Payment Methods:

Bank transfer, Bank cards on-line, Apple Pay, Google Pay

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Product information

Description

The TFA-Dostmann Horizon Black is a radio-controlled indoor/outdoor thermometer and hygrometer that displays current indoor climate, outdoor conditions and short-term weather forecasts. It includes an electronic barometer that shows air pressure and a 12-hour pressure history bar chart, a wireless outdoor temperature transmitter (with support for up to two additional transmitters), radio-controlled time and date via DCF77, alarm clock functions with two wake-up alarms and snooze, blue backlight, moon phase and sunrise/sunset times. The device is compact and battery powered, with a black finish suitable for home monitoring.

Advantages

The Horizon provides combined temperature and humidity monitoring for inside and outside areas, a built-in electronic barometer for forecast indications and a 12-hour pressure history to help interpret weather changes. Wireless transmission allows monitoring of remote locations (one transmitter included, two additional optional), while DCF77 time synchronization ensures accurate clock and calendar display. Dual alarms with snooze and a one-button blue backlight add everyday convenience.

Suitable for

Home indoor climate monitoring (living rooms, bedrooms)
Outdoor temperature monitoring (garden, balcony)
Monitoring additional areas such as basements or garages using extra transmitters
Users who need accurate radio-controlled time and simple alarm functions

Key specifications

Brand: tfa dostmann
Model: Horizon Black (MPN 35.1155.01)
Functions: indoor/outdoor temperature and humidity, barometer, moon phase, sunrise/sunset, clock, dual alarm with snooze
Temperature range (indoor): 0 to 50 °C
Temperature range (outdoor): -20 to 60 °C
Built-in display: Yes
Power: AAA/AA batteries (battery type as specified by manufacturer)
Dimensions (W×D×H): 158 × 26 × 123 mm
Weight: 0.224 kg
Colour: Black

How to use

Place the main unit indoors on a stable surface or mount it according to the manufacturer’s instructions. Install batteries in the main unit and in the outdoor transmitter, then pair the transmitter(s) with the station following the pairing procedure in the manual. The station receives the DCF77 signal to set time and date automatically; position the unit where reception is reliable. Use the display and buttons to view temperature, humidity, barometric trend and alarm settings. Press the backlight button to illuminate the display.

Usage recommendations

Position the outdoor transmitter in a shaded, sheltered location out of direct sunlight and heavy precipitation to ensure accurate readings; avoid placing the indoor unit near heat sources or drafts for reliable indoor climate measurements.

Specifications

Built-in display:: Yes
Temperature measurement range (inside) (T-T):: 0 - 50
Temperature measurement range (outside) (T-T):: -20 - 60
Alarm function:: Yes
Weight:: 0.224 kg
Clock function:: Yes
Product colour:: Black

All features

Display

Backlight display:: Yes
Built-in display:: Yes

Packaging data

Battery included:: No
Outdoor sensor:: Yes

Ports & interfaces

Connectivity technology:: Wireless
Transmission frequency:: 433 GHz

Features

Product colour:: Black
Snooze function:: Yes
Alarm clock:: Yes
Housing material:: Plastic
Temperature measurement range (inside) (T-T):: 0 - 50
Temperature measurement range (inside) (T-T):: 32 - 122
Temperature measurement range (outside) (T-T):: -20 - 60
Temperature measurement range (outside) (T-T):: -4 - 140
Number of sensors supported (max):: 3
Min/Max temperature memory:: Yes
Alarm function:: Yes
Clock function:: Yes
Clock/Date display:: Yes
Measuring functions:: Indoor hygrometer, Indoor thermometer, Outdoor thermometer
Outdoor sensors range:: 60 m
Moon phase:: Yes
Sunrise/sunset time:: Yes
Measuring functions trend display:: Hygrometer, Thermometer
Humidity measuring range (inside) (H-H):: 20 - 95

Power

Battery type:: AAA/AA
Power source:: Battery
Battery voltage:: 1.5 V

Weight & dimensions

Weight:: 0.224 kg
Height:: 123 mm
Width:: 158 mm
Depth:: 26 mm

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Instructions

tfa-dostmann-35.1155.01-7690999

Description

Instructions

tfa-dostmann-35.1155.01-7690999

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Warehouse	Stock	Delivery to the store	Store Price
WH334	20	30.06.2026 Best delivery	32.49 € Best price
WH155	3	30.06.2026 Best delivery	35.49 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH109	20	14.07.2026	42.99 €

32.49 €

Stock: 20

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH334

35.49 €

Stock: 3

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH155

Available only for legal entities

42.99 €

Stock: 20

Delivery Date: 14.07.2026

Warehouse: WH109

Customer reviews

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Customer questions

FAQ

How much does the Indoor Outdoor Thermometer TFA-Dostmann Horizon Black cost, and is it available for purchase?

The price is 32.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 43 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 30.06.2026 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. All transactions are 100% secure and encrypted.

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 tfa dostmann 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 tfa dostmann 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.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: built-in display, temperature measurement range (inside) (t-t), temperature measurement range (outside) (t-t), alarm function, weight, clock function, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Indoor Outdoor Thermometer TFA-Dostmann Horizon Black?

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.

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