Shelly BLU H&T ZB (Ivory)
£20.29
The Shelly BLU H&T ZB Ivory is a compact temperature and humidity sensor with dual Bluetooth and Zigbee connectivity, rated IP54 for dust and splash resistance. That makes it suitable for bathrooms, basements and outdoor use as well as ordinary rooms. It runs on a single CR2032 battery for up to 3 years.
- Dual Bluetooth and Zigbee connectivity
- IP54-rated for dust and splash resistance
- Up to 3 years battery life from one CR2032
- Secure, AES-encrypted communication for reliable data
Buy the Shelly BLU H&T ZB (Ivory) online in the UK from ShellyUK — genuine Shelly stock with fast UK delivery.
The Shelly BLU H&T ZB Ivory is a robust, compact smart sensor, designed to deliver accurate, real-time temperature and humidity monitoring in almost any environment. With dual Bluetooth and Zigbee connectivity, it integrates seamlessly into a wide range of smart home and professional automation systems, while strong encryption ensures secure communication at all times. Its discreet ivory finish blends effortlessly into modern interiors, yet its IP54 rating means it’s tough enough for bathrooms, basements, outdoor locations, and demanding business environments where dust and water splashes are a concern.
Built for long-term reliability, the Shelly BLU H&T ZB offers an impressive battery life of up to three years, making it ideal for continuous monitoring with minimal maintenance. It reports precise changes in temperature and humidity, enabling you to trigger smart scenes and automations that improve comfort, protect your property, and reduce energy waste. Whether used with the Shelly Smart Control app (via a compatible gateway) or integrated into a Zigbee ecosystem, the sensor provides dependable data that your automation can act on instantly.
- Dual Bluetooth and Zigbee operation for wide compatibility
- Accurate temperature and humidity measurements
- IP54-rated for dust and splash resistance
- Up to 3 years of battery life
- Compact, discreet design in an elegant ivory finish
- Secure, encrypted communication
From smart climate control and bathroom humidity management to protecting storage rooms, server rooms, and greenhouses, the Shelly BLU H&T ZB Ivory is built to perform where other sensors fall short. It’s a dependable foundation for healthier living spaces, energy-efficient automation, and peace of mind, indoors or out.
Dual Bluetooth and Zigbee connectivity
IP54-rated for dust and splash resistance

Up to 3 years battery life from one CR2032
Secure, AES-encrypted communication for reliable data
Where you'd use it
Greenhouse Climate Watch
Place one in a greenhouse to track temperature and humidity swings and trigger vent or fan automations before conditions get damaging to plants.
Damp Bathroom Monitoring
Fit it in a bathroom or shower room, relying on the IP54 rating to cope with splashes, and trigger extractor fan automations when humidity climbs too high.
Server or Storage Room Protection
Monitor a server cupboard or storage room for temperature drift, sending an alert before conditions risk damaging equipment or stored goods.
Specification
Connectivity
- Bluetooth Protocol
- 5 (LE)
- Bluetooth range (depending on local construction) • up to
- 30m outdoors • up to 10m indoors
- Zigbee protocol
- 802.15.4
- Zigbee range (depending on local construction) • up to
- 30m outdoors • up to 10m indoors
Physical & Build
- (H x W x L)
- 37 x 37 x 10 ±0.5 mm / 1.46 x 1.46 x 0.39 ±0.02 in
Environmental
- Humidity
- 0% to 90% RH
Other
- Battery type
- 1 x 3V CR2032 battery (included)
- Battery life up to
- 3 years
- Ambient temperature
- -20°C to 60°C / -5°F to 140°F
- Encryption AES encryption (CCM mode)








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