Shelly BLU H&T ZB

$19.00 USD

New

Out of stock

Typically used for:

Temperature

Humidity

Scene activation

Shelly BLU H&T ZB

$19.00 USD

Out of stock

A water/dust-resilient sensor with Bluetooth & Zigbee connectivity that precisely measures temperature and humidity levels

Typically used for:

Temperature

Humidity

Scene activation

Get Protection Plus

$1.90

Extended Coverage: Beyond the standard warranty
Free Replacements
Accidental Damage Protection

All orders are shipped from the EU

Get notified when in stock

Sorry, this item is currently unavailable. Sign up and we will let you know when in stock.

Shelly BLU H&T ZB

$19.00 USD

Shelly BLU H&T ZB

$19.00 USD

Yes, I consent to receive emails from Shelly. I can unsubscribe at any time by clicking the link at the bottom of our emails. Privacy Policy and Terms of Use.

Key Features

Bluetooth or Zigbee-operated
Detects and reports temperature and humidity
IP54 rated - water and dust-resilient
Long Battery life (up to 3 years)
Encryption (high level of security)
Wide compatibility with various smart home platforms
Easy control through the Shelly Smart Control app

Device identification

Device name: Shelly BLU H&T ZB
Device model: SBHT-203C
Device Bluetooth ID: 0x0011

Device models reference

Short description

Shelly BLU H&T ZB 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)
Microcontroller unit
CPU:	EFR32MG27
Flash:	768 kB
Firmware capabilities
Schedules:	No
Webhooks (URL actions):	No
Scripting:	No
MQTT:	No
Encryption:	Yes
Other
Supported Devices	Shelly Plus / Gen3 / Gen4 series Shelly Pro series

Components and APIs

Compliance

Printed user guide

Shelly BLU HT ZB printed user and safety guide.pdf

FAQ

What are the differences between the different generations of Shelly products?

Each new generation adds more power, memory, and features:

Gen 1 offers basic control;

Gen 2 (Plus Series, Mini Series, Pro Series) adds Bluetooth, scripting, and better security;

Gen 3 improves performance, adds Matter (starting from firmware version 1.6.0 or newer) and advanced monitoring;

Gen 4 offers multi-protocol connectivity, featuring Wi-Fi 6, Bluetooth, Zigbee, and Matter.

Learn more: https://support.shelly.cloud/en/support/solutions/articles/103000316073-comparison-of-shelly-gen-1-gen-2-and-gen-3-devices?fbclid=IwY2xjawJHTR9leHRuA2FlbQIxMAABHaBfrCc1-eqoghqxTVUgn7QBaaqTBKa_dZyem_FbH6z6WrlrHbWo0p_OTg_aem_ltK1ZvtsjkrpzXAFx7uvhQ

Do I need a gateway to use the device?

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.

Knowledge Base

EU Data act‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎

View full details

Shelly BLU H&T ZB

Functionalities

Shelly BLU H&T ZB

Description

Shelly BLU H&T ZB

$19.00 USD

Shelly BLU H&T ZB

$19.00 USD

Yes, I consent to receive emails. I can unsubscribe at any time. Privacy Policy and Terms of Use.

Shelly BLU H&T ZB

$19.00 USD

Shelly BLU H&T ZB

$19.00 USD

Yes, I consent to receive emails. I can unsubscribe at any time. Privacy Policy and Terms of Use.

The toughest Shelly sensor

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

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

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

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.