Shelly I4 Gen3 | 4-Channel Wi-Fi Scene Controller – Smart Input Switch
Wi-Fi-operated 4-digital input controller. With the ability to manage 4 digital inputs, Shelly i4 Gen3 enables you to manually activate or deactivate any created scene, synchronize actions, or execute complex trigger scenarios. Activate different devices and control the lights, shut the blinds, and activate scenes instantly from one location. Compact enough to fit behind most wall switches, Shelly i4 Gen3 is retrofit and takes less than 10 minutes to install under any regular 4-button switch. Multi-click - Up to 16 possible actions. New processor - ESP-Shelly-C38F chip with an increased memory of 8 MB. Improved durability of terminals. Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates. No HUB required! Easy control through Shelly Smart Control app, various home automation protocols, and platforms. Shelly Plus i4 is an input reader device (it does not contain relay).
Wi-Fi-operated 4-digital input controller. With the ability to manage 4 digital inputs, Shelly i4 Gen3 enables you to manually activate or deactivate any created scene, synchronize actions, or execute complex trigger scenarios. Activate different devices and control the lights, shut the blinds, and activate scenes instantly from one location. Compact enough to fit behind most wall switches, Shelly i4 Gen3 is retrofit and takes less than 10 minutes to install under any regular 4-button switch. Multi-click - Up to 16 possible actions. New processor - ESP-Shelly-C38F chip with an increased memory of 8 MB. Improved durability of terminals. Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates. No HUB required! Easy control through Shelly Smart Control app, various home automation protocols, and platforms. Shelly Plus i4 is an input reader device (it does not contain relay).
Wi-Fi-operated 4-digital input controller. With the ability to manage 4 digital inputs, Shelly i4 Gen3 enables you to manually activate or deactivate any created scene, synchronize actions, or execute complex trigger scenarios. Activate different devices and control the lights, shut the blinds, and activate scenes instantly from one location. Compact enough to fit behind most wall switches, Shelly i4 Gen3 is retrofit and takes less than 10 minutes to install under any regular 4-button switch. Multi-click - Up to 16 possible actions. New processor - ESP-Shelly-C38F chip with an increased memory of 8 MB. Improved durability of terminals. Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates. No HUB required! Easy control through Shelly Smart Control app, various home automation protocols, and platforms. Shelly Plus i4 is an input reader device (it does not contain relay).
Wi-Fi-operated 4-digital input controller. With the ability to manage 4 digital inputs, Shelly i4 Gen3 enables you to manually activate or deactivate any created scene, synchronize actions, or execute complex trigger scenarios. Activate different devices and control the lights, shut the blinds, and activate scenes instantly from one location. Compact enough to fit behind most wall switches, Shelly i4 Gen3 is retrofit and takes less than 10 minutes to install under any regular 4-button switch. Multi-click - Up to 16 possible actions. New processor - ESP-Shelly-C38F chip with an increased memory of 8 MB. Improved durability of terminals. Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates. No HUB required! Easy control through Shelly Smart Control app, various home automation protocols, and platforms. Shelly Plus i4 is an input reader device (it does not contain relay).
in 25 offers
The lowest price for Shelly I4 Gen3 | 4-Channel Wi-Fi Scene Controller – Smart Input Switch right now is $14.22 at Digital Bay Tech, compared across 24 retailers.
The all-time low was $13.84 on 9 Sept 2026 — today's price is 3% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 21 Oct 2026.
Last updated at 21/10/2026 21:05:08
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30-day returns
| Voltage | 110-240 V~ 50/60 Hz |
| Wattage | < 1 W (power consumption) |
| Power Source | Wired |
| Connectivity Type | Wi-Fi, Bluetooth |
| Wireless | Yes |
Shelly i4 Gen3 – Smart 4 Input Controller for Scenes & Automation
Delivery $19.90
Shelly i4 Gen3 - WiFi Scene Module (110-240V AC) - 4 inputs
Shelly Plus I4 Gen3 Smart Wi-Fi Switch Input
Delivery between 26 Oct – 5 Nov $39.93
Shelly i4 Gen3
Shelly i4 Gen3 Wi-Fi Input Controller - 240V AC
Same-day delivery $10
| Voltage | 110-240 V~ 50/60 Hz |
| Wattage | < 1 W (power consumption) |
| Power Source | Wired |
| Connectivity Type | Wi-Fi, Bluetooth |
| Wireless | Yes |
