Shelly Plus i4 DC
Shelly Plus i4 DC - Image 2
Shelly Plus i4 DC - Image 3

Shelly Plus i4 DC

£12.99

2 in stock

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Overview

Shelly Plus i4 DC is a Wi-Fi-operated 4-digital input controller designed for advanced scene activation and automation triggering using low-voltage DC inputs. It connects directly to Wi-Fi with no hub required and acts purely as an input reader (no relays included), making it ideal for buttons, switches, and control signals. Powered by an ESP32 processor, Shelly Plus i4 DC supports multi-click actions, JavaScript scripting, and fast local execution, and is designed to fit behind standard wall switches and electrical boxes.

Key features

  • Wi-Fi-operated 4-channel digital input controller
  • Input reader only, no relays included
  • Powered by 5–24 V DC
  • Supports multi-click actions with up to 12 possible actions
  • Fast ESP32 processor with improved API performance
  • JavaScript (mJS) support for complex automation logic
  • Embedded web server for local configuration
  • Compatible with Home Assistant and automation platforms via MQTT and webhooks

Product information

Use cases
  • Scene and Automation Triggering
  • Trigger scenes, routines, or automations using physical buttons or control signals.
  • Low-Voltage Control Systems
  • Integrate with DC-powered systems, panels, or custom electronics using 5–24 V inputs.
  • Multi-Action Button Control
  • Use single, double, long, or combination presses to trigger different actions from the same input.
  • Advanced Home Automation
  • Create complex local automation logic using JavaScript, MQTT, and webhooks.
Technical specifications
Physical
Size (HxWxD)
37 × 42 × 16 mm (±0.5 mm)
Weight
17 g
Mounting
Wall box
Shell material
Plastic
Environmental
Ambient temperature
-20°C to +40°C
Humidity
30% to 70% RH
Max altitude
2000 m
Electrical
Power supply
5–24 V DC
Power consumption
< 1 W
Sensors
Temperature sensor
Yes
Radio
RF band
2400–2495 MHz
Max RF power
< 20 dBm
Wi-Fi protocol
802.11 b/g/n
Wi-Fi range
Up to 30 m indoors / 50 m outdoors (depending on conditions)
Bluetooth protocol
4.2
Bluetooth range
Up to 10 m indoors / 30 m outdoors
MCU
CPU
ESP32
Flash
4 MB
Firmware Capabilities
Webhooks (URL actions)
20 (5 URLs per hook)
Scripting
mJS
MQTT
Yes
CoAP
No
What’s included
  • Shelly Plus i4 DC input controller

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