Shelly H&T Gen3 Ivory Smart Wi-Fi & Bluetooth Temperature & Humidity Sensor

Price: $40.99
(as of Sep 30, 2026 06:45:34 UTC – Details)

Product description

Gen3 Series Features

Powered by Shelly chip, Gen3 devices are with doubled memory and are Matter upgradable. They introduce virtual components for unified control of third-party devices with Shelly Smart Control App.​

Enviornment Control

Create the ideal sleeping environment for your baby by monitoring nursery temperature and humidity, setting alerts for optimal safety and comfort.​

Climate Control

Upgrade your heater to smart with Shelly Plug and H&T Gen3. Set a scene to activate it before temperature drops, ensuring warmth and efficiency.​

Humidity Control

Ensure bathroom comfort with Shelly H&T Gen3. Integrate with Shelly Plus 1 for automatic humidity control. Set scene for fan activation, keeping the bathroom dry.​

Create Smart Scenes with Shelly H&T Gen3:

Bathroom Fan

High humidity activates the fan and keeps the bathroom comfortable & dry.

Wake-Up Refresh

Set lighting, open blinds, and adjust the temperature for a refreshed wake-up.

Dim lights

Dim lights and close curtains for cozy movie nights using Shelly.

Guest Welcome Scene

Create a welcoming atmosphere by adjusting temperature and lighting.

Plant Care Automation

Auto-water indoor plants when humidity levels drop below a certain threshold.

Sunset Ambiance

Adjust lighting and temperature at sunset for a smooth nighttime transition.

Size with stand (HxWxD): 70x70x45 mm / 2.76×2.76×1.77 in Ambient temperature 0 °C to 40 °C / 32 °F to 104 °F Humidity 30 % to 70 % RH Batteries 4 AA (LR6) 1.5 V (batteries not included) Estimated battery life Up to 12 months RF band 2400 – 2495 MHz Max. RF power < 20 dBm Wireless/WiFi Protocol 802.11 b/g/n Wi-Fi Range Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors Bluetooth protocol 4.2 CPU ESP-Shelly-C38F Flash 8MB Webhooks (URL actions) 10 with 2 URLs per hook MQTT & REST API Yes

How to connect Shelly H&T Gen3 to Wi-Fi?

After setting up your Wi-Fi network, you can easily add your Shelly H&T Gen3 by clicking the “+” icon in the lower right corner and selecting an inclusion method.If you need further help, turn to support.shelly.cloud

Shelly H&T Gen3 shows delayed or corrupted values?

The device wakes every 2H (battery) or 5 min (USB) to report. Screen updates at 0.2 °C or 3% RH change. It also wakes on threshold-triggered temp change. Manual temp offset calibration is possible.

Which smart home ecosystems is Shelly H&T Gen3 compatible with?

Shelly H&T Gen 3 has Amazon Alexa, Google Smart Home, Samsung SmartThings, Home Assistant supported capabilities.

Does Shelly H&T Gen3 have a USB slot?

Yes, Shelly H&T Gen3 is enhanced a type-C USB slot, allowing for continuous power, faster connection and more frequent reports. * The USB slot cannot be used to charge the device’s batteries.

My Shelly H&T Gen3 disconnects frequently. What should I do?

The device normally sleeps, waking only for temp changes or scheduled updates. During the sleep mode device cannot be reached over the network by IP. Device could be forced to wake up through reset button for 2 minutes Setup mode.

Shelly H&T Gen3 Ivory is a next-generation Wi-Fi and Bluetooth temperature and humidity sensor equipped with the new Shelly chip: 8MB of memory and faster responsiveness. It works with a type-C USB slot and low battery consumption and is enhanced with a low-consuming e-paper display and a built-in clock.
Compatible with Alexa, Google Home, Home Assistant – Connect your Shelly device to Amazon Alexa, Google Home, Home Assistant, Samsung SmartThings, and other smart home platforms. Control lights and appliances with voice commands, create automations, schedules, and scenes, and manage your smart home from anywhere.
The Ultimate Environment Monitor – Ensure the perfect sleeping environment for your baby by monitoring the nursery’s temperature and humidity. Set alerts to maintain ideal conditions for а safe and comfortable sleep.
Intelligent Humidity Control – Maintain a healthy environment in your bathroom with the Shelly H&T Gen3. By integrating the sensor with Shelly Plus 1 wired to your bathroom fan, you can automate humidity control with ease. Set a scene where, upon detecting high humidity levels, the Shelly Plus 1 activates the fan, effectively reducing moisture.
Shelly Customer Service – Shelly is one of the fastest-growing Smart Home brands in the world with devices, providing solutions for the automation of private homes, buildings and businesses. We provide our customers with professional support and a 3 years device warranty.
Customers praise the sensor’s e-ink display, noting it’s large and easy to read. However, they report mixed experiences with connectivity, setup, accuracy, and functionality, with some units failing to stay connected to WiFi and being difficult to set up. Moreover, the battery life and value for money receive mixed reviews, with some finding it reasonable while others consider it overpriced. Additionally, reliability is also mixed, with some customers reporting it works well while others could never get it to work.