Shelly Wall Display 4" + BLU H&T

🔧 Key Features

Shelly Wall Display
• Touch Color Display: 4” touch‑sensitive screen with customizable home interface.
• Integrated Relay: Built‑in relay for direct appliance or circuit switching.
• Built‑in Sensors: Measures temperature, humidity, and ambient light.
• Power Monitoring: Tracks consumption of connected devices via Shelly Smart Control.
• Connectivity: Wi‑Fi and Bluetooth for flexible integration.
• Inputs/Outputs:
• 1 switch/button input (screw terminal)
• 2 power supply inputs (N and L)
• 1 relay output
• Applications: Residential, multi‑dwelling units (apartments, hotels), light commercial spaces, and institutions.
Touch Color Display: Customizable home screen showing temperature, humidity, device status, and automation scenes.
• Control Functions: Direct control of lighting, heating, and Shelly devices without needing a smartphone.
Shelly BLU H&T
• Sensors: Reports temperature and humidity in real time.
• Durability: IP54 splash and dust‑resistant housing.
• Modes: Supports Beacon Mode (presence broadcasting) and Encrypted Mode for secure communication.
• Integration: Works with Shelly Smart Control app, BTHome protocol, and automation platforms.

🔍 Smart hint

Climate Automation: BLU H&T feeds sensor data → Wall Display triggers HVAC, fans, or dehumidifiers.
Energy Efficiency: Use humidity readings to activate ventilation only when needed, reducing wasted energy.
Centralized Monitoring: Wall Display shows live sensor data, giving fingertip control without a phone.
Multi‑Dwelling Use: Ideal for hotels, offices, or apartments where each room can have its own sensor + display.
Customization: Configure Wall Display screens to show the most relevant data (temperature, humidity, or device states).

⚠️ Warnings

Indoor Use: BLU H&T is splash‑resistant but not waterproof; avoid direct outdoor exposure.
Installation Positioning: Place BLU H&T away from direct sunlight, heaters, or vents to avoid false readings.
Professional Installation: Wall Display should be installed by a qualified technician in standard wall boxes.
Load Safety: Do not exceed rated relay limits when switching appliances via Wall Display.
Battery Dependency: Replace BLU H&T’s CR2032 battery promptly when notified to maintain accuracy.

📦 What’s Included

Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days