A water/dust-resilient sensor with Bluetooth & Zigbee connectivity that precisely measures temperature and humidity levels
*To use this device with the Shelly Smart Control app, a gateway is required. Compatible gateways include the Shelly BLU Gateway or any Shelly Plus, Pro, Gen3, or Gen4 device (excluding sensors). To use this device in a Zigbee network, a compatible Zigbee gateway is required.
2
2 Years Warranty
2 Years Warranty
This warranty covers any issues with the hardware or firmware that exist at the time of purchase or that appear within the warranty period. The warranty includes all parts of the hardware, such as the body, mechanics, and display (if applicable). However, it does not cover consumable items like batteries or accessories, as their lifespan depends on how much they are used.
Shelly BLU H&TZB is a smart humidity and temperature sensor. It has Zigbee and Bluetooth connectivity ensuring a secure connection with an extended battery life.
Main features
Long battery life
Air temperature and humidity reporting
Splash and dust-resistant
Compact size
Use cases
Climate control: Adjust the heating, ventilation, and air conditioning system based on current temperature and humidity levels to maintain a comfortable indoor environment.
Prevent mold and mildew: Monitor humidity levels to prevent the growth of mold and mildew in spaces like basements and bathrooms. The Shelly BLU H&T can activate ventilation or dehumidification devices when needed.
Alerts and notifications: Receive alerts or notifications when the temperature or humidity reaches predefined thresholds and prevent issues like frozen pipes in cold weather or excessive moisture.
Optimizing greenhouse conditions: Optimize conditions for greenhouse plants by adjusting watering systems and ventilation based on humidity and temperature levels.
Security enhancement: Increase your home protection by detecting unusual temperature changes that might indicate fire or flood.
Appliance control: Adjust operation of dehumidifiers, humidifiers, and fans based on the current temperature and humidity conditions.
Connectivity
Bluetooth
Zigbee
User interface
Inputs
One push button
One press:Sends the currently measured ambient temperature in °C, relative humidity in %, and a button-pressed event.
Four quick presses or 10-second press: Initiates pairing with another Bluetooth device.
Five quick presses: Activates Zigbee pairing.
A 30-second press: Performs a factory reset (possible only shortly after inserting the battery).
Outputs
One single-color (red) LED
One flash: The Device sends the current ambient temperature, humidity, and button-pressed event.
One flash every 2 seconds for 1 minute: The Device enters Bluetooth pairing mode for 1 minute.
Two flashes every 2 seconds for 1 minute: The Device enters Zigbee pairing mode for 1 minute.
One long flash: The Device performs a factory reset.
Specifications
Quantity
Value
Physical
Size (HxWxD):
37x37x10 mm / 1.46x1.46x0.39 in
Weight:
13 g / 0.44 oz
Mounting
On a flat surface
Shell material:
Plastic
Color:
Black
Mocha
Ivory
Environmental
Ambient temperature:
-20 °C to 60 °C / -5 °F to 140 °F
Humidity:
0% to 100% RH
Electrical
Power supply:
1x 3 V battery (included)
Battery type:
CR2032
Battery life:
3 years
Sensors
Humidity sensor:
Yes
Temperature sensor:
Yes
Bluetooth
Protocol:
5 (LE)
RF band:
2402 - 2480 MHz
Max. RF power:
<8 dBm
Range:
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions)
Zigbee
Protocol:
802.15.4
RF band:
2405 to 2480 MHz
Max. RF power:
< 8 dBm
Range:
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions)
Yes, to use this device with the Shelly Smart Control app, a gateway is necessary. Compatible gateways are Shelly BLU Gateway, or alternatively any Shelly Plus, Pro, Gen3 or Gen4 device (excluding sensors) can act as a gateway.
Is it possible to use the device without a hub?
Yes, Shelly devices (except for Wave devices) operate independently without the need for a hub. They connect directly to your Wi-Fi network, and you can control them via the Shelly Smart Control app, web interface, or through integrations with platforms like Google Home, Alexa, Home Assistant and Samsung SmartThings.
Can the device work independent or it requires a gateway?
To use BLU devices with the Shelly Smart Control app, a gateway is necessary. Compatible gateways are Shelly BLU Gateway, or you can also use any Shelly Plus, Pro, Gen3 or Gen4 device to act as a Gateway (excluding sensors).
How do I reset my Shelly BLU H&T to factory settings?
To reset the device:
1. Remove the battery and wait for about 10–20 seconds.
2. Reinsert the battery.
3. Immediately press and hold the button on the device for at least 30 seconds.
Can I use the Shelly BLU H&T outdoors?
Yes, the Shelly BLU H&T has an IP54 rating, making it resistant to dust and splashes. This makes it suitable for sheltered outdoor areas like patios or balconies. However, it's advisable to avoid direct exposure to heavy rain or prolonged moisture.
Designed for discreet integration into any space, Shelly BLU H&T ZB provides precise monitoring of temperature and humidity. With its IP54 rating, Shelly BLU H&T ZB is built to withstand dust and water, making it reliable for both indoor and outdoor settings.
Perfect for optimizing home comfort and health, Shelly BLU H&T ZB easily syncs with your smart home system for smooth automation and peace of mind.
Bluetooth or Zigbee operated
Allows easy integration with a wider range of smart home ecosystems and gateways
IP54 Protection level
Water splashes and dust-resilient, suitable for indoor and outdoor use
Measures temperature & humidity
Reports real-time changes in temperature and humidity
Scene activation
Set custom scenes by combining Shelly BLU H&T ZB with your other Shelly devices
SOLUTIONS
Shelly BLU H&T ZB
Smart Climate Control
Smart Climate Control
Maintain your home's comfort efficiently. When placed outdoors, Shelly BLU H&T ZB can act as an early warning system and ensure your home adapts to changing weather conditions. Set it to trigger automations - activate the heating system or close the blinds to maintain your desired indoor
temperature.
Bathroom Humidity Control
Bathroom Humidity Control
Maintain a healthy environment in your bathroom with Shelly BLU H&T ZB. Its IP54 level of protection guarantees that exposure to steam and splashes won't compromise the device's performance, making it the perfect bathroom companion. 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, Shelly Plus 1 activates the fan, effectively reducing moisture.
Business and Storage Solutions
Business and Storage Solutions
Shelly BLU H&T ZB excels in professional settings, offering reliable monitoring for storage rooms, server rooms, and other business environments. Its IP54 level of protection ensures that dust and moisture won't compromise the sensor's performance. With its long battery life and strong build, businesses can rely on Shelly BLU H&T ZB for continuous, accurate monitoring to safeguard valuable assets.
WHY ZIGBEE?
The communication standard for low-power, highly interconnected smart home
A Zigbee-operated smart home ecosystem offers seamless, energy-efficient connectivity for your smart devices. It ensures fast communication, supports a wide range of devices, and creates a reliable mesh network.
Universal compatibility:
Zigbee is a widespread protocol used by multiple manufacturers, which ensures a high degree of compatibility between devices.
Network topology
Zigbee uses a mesh network that allows devices to forward signals to each other, extending range and increasing reliability.
Energy efficiency
Zigbee devices are exceptionally energy-efficient, consuming minimal power, making them ideal for battery-powered devices.
Enhanced security
Zigbee uses AES-128 encryption, which ensures a high level of security for home automation.
Universal compatibility:
Zigbee is a widespread protocol used by multiple manufacturers, which ensures a high degree of compatibility between devices.
Network topology
Zigbee uses a mesh network that allows devices to forward signals to each other, extending range and increasing reliability.
Energy efficiency
Zigbee devices are exceptionally energy-efficient, consuming minimal power, making them ideal for battery-powered devices.
Enhanced security
Zigbee uses AES-128 encryption, which ensures a high level of security for home automation.
