Shelly H&T

Device Identification
- Device Name: Shelly H&T
- Device SSID: shellyht-XXXXXX
Short Description
The Shelly H&T is a smart temperature and humidity sensor that can be remotely monitored and controlled via a mobile phone, tablet, PC, or home automation system. It operates either standalone within a local Wi-Fi network or integrates with cloud-based home automation services.
The device can be accessed, controlled, and monitored from anywhere with an internet connection, provided it remains connected to a Wi-Fi router and the Internet.
It features an embedded web interface for real-time monitoring, configuration, and control of device settings.
Main Applications
- Residential
- MDU (Multi Dwelling Units – apartments, condominiums, hotels, etc.)
- Light Commercial (small office buildings, small retail stores, restaurants, gas stations, etc.)
- Government / Municipal
- University / College
Integrations
- Google Home
- Samsung SmartThings
- Amazon Alexa
Connectivity
- Wi-Fi
User Interface
Inputs
- Reset Button
- Press and hold for 5 seconds to enable the device’s access point mode.
- Press and hold for 10 seconds to perform a factory reset.
Outputs
- LED Status Light
Specifications
| Category | Specification |
|---|---|
| Physical | |
| Size (H × D) | 35 × 46 mm / 1.38 × 1.81 in |
| Weight | 16 g (without battery), 33 g (with battery) |
| Mounting | Wireless |
| Shell Material | Plastic |
| Color | Black or White |
| Environmental | |
| Ambient Temperature | -10 °C to 50 °C / 14 °F to 122 °F |
| Humidity | 20 % to 90 % RH |
| Electrical | |
| Power Supply (Batteries) | 3V DC – CR123A |
| Estimated Battery Life | Up to 18 months |
| Power Consumption | Static ≤ 70 µA Awake ≤ 250 mA |
| Radio | |
| RF Band | 2401 – 2495 MHz |
| Max. RF Power | < 20 dBm |
| Wi-Fi Protocol | 802.11 b/g/n |
| Wi-Fi Range | Up to 30 m / 100 ft indoors Up to 50 m / 160 ft outdoors (Depends on local conditions) |
| MCU | |
| CPU | ESP8266 |
| Flash | 2 MB |
| Firmware Capabilities | |
| Webhooks (URL Actions) | 5 hooks with up to 5 URLs per hook |
| Scripting | No |
| MQTT | Yes |
| Sensors | |
| Temperature Sensor | Yes |
| Humidity Sensor | Yes |
Troubleshooting
...
Web Interface Guide
Read the Shelly H&T Web Interface Guide
Components and APIs
Printed User Guide
Compliance
- Shelly H&T Multilingual EU Declaration of Conformity (2025-07-23)
- Shelly H&T White UK PSTI ACT Statement of Compliance
- Shelly H&T Black UK PSTI ACT Statement of Compliance
Compliance Archive