Shelly BLU H&T Display ZB – Temperature, humidity and light sensor with e-paper display, Zigbee, Bluetooth, white
Brand:
Shelly
The Shelly BLU H&T Display ZB is one of the world’s thinnest smart sensors with built-in temperature, humidity, and brightness display.
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The Shelly BLU H&T Display ZB is one of the world’s thinnest smart sensors with built-in temperature, humidity, and brightness display. Thanks to its compact size and elegant design, it can be discreetly placed in almost any indoor environment. The product is an excellent choice for homes, offices, or commercial spaces, where continuous monitoring of environmental conditions can support complex automations, including acting as an additional sensor for heating and cooling systems.
The device monitors temperature, humidity, and ambient light levels in real time, displaying the information on an extremely energy-efficient e-paper display. The display also supports color inversion, allowing you to choose between light and dark backgrounds for improved readability. The built-in digital clock and date display ensure that important information is always visible.
The Shelly BLU H&T Display ZB supports both Bluetooth 5.0 and Zigbee 3.0 communication, allowing flexible integration into various smart home systems. It works seamlessly with Shelly devices as well as many third-party platforms and automation systems. Based on the measured data, automations can be created for heating, humidification, ventilation, shading, or lighting control.
Thanks to its energy-efficient hardware and two CR2032 batteries, the device can operate for up to 2 years without battery replacement. In dark environments, the display automatically switches to power-saving mode while wireless communication remains active.
The package includes multiple installation options: it can be used with a desk or shelf stand, magnetically attached to metal surfaces, or mounted on walls and vertical surfaces using the included adhesive metal plate.
About the Shelly Brand
Shelly is one of the most recognized and innovative smart home brands in Europe, developed by the Bulgarian company Allterco Robotics. The manufacturer is particularly strong in the market of Wi-Fi and Bluetooth-based smart devices, whose main advantage is that they typically operate without a central hub, allowing quick and easy installation with only a working Wi-Fi network.
The Shelly product portfolio is extremely broad and includes relays, sensors, smart plugs, lighting solutions, and professional DIN rail mounted devices. The brand places strong emphasis on local control, meaning devices can continue operating without internet access, providing improved reliability and data security.
Shelly devices offer advanced integration options with native support for REST API, MQTT, and Webhook communication, making them easy to integrate with systems such as Home Assistant, openHAB, Node-RED, and other DIY solutions. They are also compatible with popular cloud platforms including Google Home, Amazon Alexa, and Samsung SmartThings.
The manufacturer continuously develops its products, and the latest generations already include Bluetooth gateway, Wi-Fi range extender, and additional networking functions. Shelly products are especially popular among advanced users and installers while remaining easy enough for beginners.
Main Product Features
- Real-time environmental monitoring: Continuously measures and displays temperature, humidity, and light intensity.
- E-paper display: Highly readable and extremely energy-efficient graphical display with color inversion support.
- Built-in digital clock: Displays the current time and date directly on the screen.
- Long battery life: Battery-powered operation with up to approximately 2 years of battery life.
- Energy-saving operation: Automatically reduces display refresh rate in dark environments to save battery power.
- Automatic time synchronization: Accurate time sync via Bluetooth gateway or Zigbee network.
- Dual wireless connectivity: Supports both Zigbee 3.0 and Bluetooth 5.0.
- Flexible placement: Suitable for wall mounting or tabletop use.
- Magnetic mounting: Rear magnets allow easy attachment to metal surfaces.
- Smart home integration: Compatible with Shelly and numerous third-party systems.
Smart Home Protocols and Platform Compatibility
- Supported protocols: Zigbee 3.0 and Bluetooth 5.0.
- Zigbee connectivity: Stable and energy-efficient communication through a Zigbee gateway.
- Bluetooth support: Bluetooth connection for configuration, time synchronization, and Shelly Bluetooth gateway functions.
- Shelly ecosystem: Full integration with the Shelly Smart Control system.
- Amazon Alexa compatibility: Can be used as a temperature sensor in Alexa automations.
- Google Home compatibility: Temperature and humidity data can be integrated into Google Home systems.
- Samsung SmartThings compatibility: Supports temperature and humidity monitoring capabilities.
- Home Assistant compatibility: Works with Home Assistant systems through Zigbee integration.
- Local automations: Zigbee-based automations can operate without internet access in compatible systems.
Smart Functions
- Real-time temperature measurement and display.
- Real-time humidity measurement and display.
- Lux/light intensity measurement.
- Digital clock and date display.
- Automatic time synchronization.
- Automation triggers based on temperature, humidity, or brightness.
- Energy-saving display refresh in dark environments.
- Display color inversion.
- 12-hour and 24-hour time format support.
- Celsius/Fahrenheit switching.
- Bluetooth and Zigbee pairing directly using the device button.
- OTA firmware update support.
- Status indicators on the display for Bluetooth, Zigbee, battery, and update status.
Electrical Features
- Power supply: 2 × CR2032 batteries.
- Expected battery life: Approx. 2 years.
- Energy-efficient operation: E-paper display with automatic power-saving mode.
Technical Specifications
- Dimensions: 65 × 65 × 9 mm
- Dimensions with desk stand: 65 × 65 × 33 mm
- Weight: 38 g including batteries
- Weight with desk stand: 43 g including batteries and stand
- Mounting options: Wall mountable, tabletop or shelf placement
- Housing material: Plastic
- Available colors: White and black
- Display protection: Factory-installed protective film
- Operating temperature: Between -10 °C and +40 °C
- Operating humidity: 30–70% RH
- Maximum installation altitude: 2000 m
- Power supply: 2 × CR2032 batteries
- Expected battery life: Approx. 2 years depending on usage and signal strength
- Built-in temperature sensor: Yes
- Built-in humidity sensor: Yes
- Built-in light sensor: Yes
- Bluetooth protocol: Bluetooth 5 LE
- Bluetooth frequency band: 2402 – 2480 MHz
- Bluetooth maximum RF power: < 8 dBm
- Bluetooth range: Up to 10 m indoors and 30 m outdoors
- Zigbee protocol: IEEE 802.15.4
- Zigbee frequency band: 2405 – 2480 MHz
- Zigbee maximum RF power: < 8 dBm
- Zigbee range: Up to 10 m indoors and 30 m outdoors
- Microcontroller: EFR32MG27
- Flash memory: 768 kB
- Timer support: No
- Webhook support: No
- Scripting support: No
- MQTT support: No
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Weight:
108 g/pcs
