Shelly X4

Shelly X4 Module

The Shelly X4 module provides built-in support for cloud connectivity, mobile app control, and free over-the-air (OTA) updates, enabling fully managed smart functionality right out of the box - no external hub required. Devices can be controlled locally or remotely via the cloud or mobile interface.
Equipped with 2.4 GHz Wi-Fi and Bluetooth LE, with 8 usable I/O ports, and a wide operating range from -40 °C to +105 °C, the module is well-suited for applications such as smart relays or lighting control.

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Key features

  • 8 usable I/O ports.
  • ESP32-C3 embedded, 32-bit RISC-V single-core processor, up to 160 MHz.
  • Dimensions (HxLxW): 20.3x15.8x1.02 mm/0.799x0.622x0.040 in.
  • On-board PCB antenna.

Typically used for

Smart Home & Consumer IoT

  • Smart lighting.
  • Smart relays.
  • Smart water valves.

Environmental Monitoring

  • Temperature sensors.
  • Humidity sensors.
  • Air quality monitors.

Lead time

  • Typical lead time: 5 weeks

Depending on availability and quantity, lead time may vary.

What's included

  • Hardware module pre-flashed with our firmware.
  • Your customizations and configurations fully installed and ready for integration into your product.

Technical specifications

Chipset ESP32-C3 embedded, 32-bit RISC-V single-core processor, up to 160 MHz
Memory 400 KB SRAM (16 KB for cache), 8 MB flash
Bluetooth® LE Bluetooth 5
Wi-Fi 2.4 GHz, IEEE 802.11 b/g/n-compliant
Antenna On-board PCB antenna
Operating voltage 3.0~ 3.6 VDC
Operating temperature -40°C ~ 105°C
Height 20.3 mm / 0.799 in
Length 15.8 mm / 0.622 in
Width 1.02 mm / 0.040 in

Documents and Downloads

📄 Shelly X4 datasheet 📄 Shelly X4 IOs 📄 Shelly X4 dimensions

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