Shelly H&T Gen3

Shelly H&T Gen3 — WiFi Temperature and Humidity Sensor

The Shelly H&T Gen3 is a compact, rechargeable WiFi sensor that measures temperature and humidity in real-time. It sends data to the Shelly app, triggers automations, and integrates locally with Home Assistant. Rechargeable via USB-C with a long-lasting internal battery. No hub or subscriptions needed.

Technical Specifications — Shelly H&T Gen3

• Connectivity: WiFi 802.11 b/g/n (2.4 GHz) + Bluetooth BLE 4.2
• Temperature range: -20°C to +60°C
• Humidity range: 0–100% RH
• Power supply: Internal rechargeable battery via USB-C
• Operating temperature: -20 to +40°C
• Protocols: MQTT, HTTP REST API, Webhooks
• Certifications: CE, RoHS

Main Features

• Real-time temperature and humidity sensor with configurable alerts
• USB-C rechargeable: no need to replace batteries, long battery life
• Native WiFi: direct connection without additional gateway
• Automations: activates Shelly relays when temperature or humidity thresholds are exceeded
• Push notifications: instant alert when the climate goes out of the configured range
• Compact and wireless: place in any room, greenhouse, or warehouse

Compatible with

• Home Assistant (local, no cloud)
• Amazon Alexa
• Google Home
• MQTT, HTTP REST API, Webhooks

Use Cases

• Control heating or air conditioning based on the actual room temperature
• Monitor humidity in basements, bathrooms, or warehouses to prevent condensation
• Monitor temperature in wineries, server rooms, or greenhouses
• Automatic alerts if the freezer exceeds a safe temperature

Official Shelly distribution. Shipped from Spain. Official Shelly warranty.