# Indoor rotary LED sensor EZVIZ T55 — white plastic, AA battery, Ø 5.5 cm, height 95 mm

**URL:** https://aio.lv/en/product--ezviz-cs-t55-r100-g--10707451
**Data updated:** 2026-02-10 16:13 (EET)
**Category:** Smart Sensors
**Manufacturer:** EZVIZ
**Manufacturer code:** CS-T55-R100-G
**EAN:** 6941545620466
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 49.49 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 40.90 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ezviz-cs-t55-r100-g--10707451

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Friday | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

EZVIZ T55 is an indoor rotary LED sensor in white plastic housing. It features a rotary control, LED display, and is powered by a single AA battery (1.5 V). Compact dimensions (diameter 5.5 cm, height 95 mm) and light weight (132 g) make it suitable for discreet placement in rooms. The device is intended for indoor monitoring or automation tasks where a small, battery-powered sensor is required.

## Long description

EZVIZ T55 is a smart radiator thermostat designed to upgrade traditional radiators with remote and automated heating control. The compact device has a rotary knob, LED display and is powered by a single AA battery. T55 works together with the EZVIZ Home Gateway A3 and the EZVIZ app to provide scheduled and remote temperature management for individual rooms.
Advantages
The T55 enables remote temperature control, programmable schedules and integration with home automation platforms to reduce energy consumption and improve comfort. Its DIY installation attaches directly to compatible radiator valves without professional help, while built-in safety functions monitor and protect the heating system. The device supports control via the physical knob, the EZVIZ app, IF/THEN automations and voice assistants.
Suitable for
Apartment or home rooms with standard thermostatic radiator valves
Zoned temperature control for individual rooms
Users who want app-based scheduling and remote control of radiators
Home automation setups using EZVIZ Home Gateway A3
Key specifications
Power: 1 × AA battery (1.5 V)
Form factor: rotary control with LED display
Material: white plastic housing
Dimensions: diameter 5.5 cm, height 95 mm
Weight: 132 g
Connectivity: requires EZVIZ Home Gateway A3 for smart functions
Control methods: device knob, mobile app, automations, voice assistants
How to use
Attach the T55 to a compatible thermostatic radiator valve and fasten it according to the included instructions. Install and pair the device with the EZVIZ Home Gateway A3, then add it in the EZVIZ app to configure temperature setpoints and schedules. Use the rotary knob for local adjustments, the app for remote control and scheduling, or set IF/THEN automations for automated behaviour.
Usage recommendations
Before installation, confirm that your radiator valve is compatible with the T55. For efficient energy use, set individual thermostats in different rooms and create heating schedules in the EZVIZ app. Replace the AA battery as recommended when battery level is low.

## Specifications

| Feature | Value |
|---|---|
| Material | Plastic |
| Wireless range | 100 m |
| Wireless connection | Yes |
| Child lock | Yes |
| Control type | Rotary |
| Diameter | 55 mm |
| Wi-Fi | Yes |
| Battery low indication | Yes |
| Battery voltage | 1.5 V |
| Frost protection | Yes |
| Display type | LED |
| Adapters included | M30, RA |
| Smart thermostat | Yes |
| Batteries required | Yes |
| Suitable for indoor use | Yes |
| Screw thread | M30 x 1.5mm |
| ZigBee | Yes |

### Features

| Feature | Value |
|---|---|
| Product colour | White |
| Operating frequency | 2400 |
| Built-in display | Yes |
| Works with Amazon Alexa | Yes |
| Works with the Google Assistant | Yes |

### Power

| Feature | Value |
|---|---|
| Battery type | AA |
| Number of batteries supported | 2 |

### Technical details

| Feature | Value |
|---|---|
| Compliance certificates | CE, UKCA, RoHS, REACH |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.132 kg |
| Package weight | 295 g |
| Height | 95 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -10 - 60 |
| Operating temperature (T-T) | 0 - 55 |

### Certificates

| Feature | Value |
|---|---|
| Waste Electrical and Electronic Equipment (WEEE) compliance | Yes |

### Packaging content

| Feature | Value |
|---|---|
| Manual | Yes |
| Batteries included | Yes |

## FAQ

### How much does the Indoor rotary LED sensor EZVIZ T55 cost, and is it available for purchase?

The price is 49.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 23 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 Friday 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 EZVIZ 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 EZVIZ 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. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for Indoor rotary LED sensor EZVIZ T55?

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.

## Image

https://aio.lv/img/cache/product/10707451/67044115_large.webp