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 17 offers
The lowest price for Shelly I4 Gen3 | 4-Channel Wi-Fi Scene Controller – Smart Input Switch right now is $13.84 at Digital Bay Tech, compared across 17 retailers.
The all-time low was $13.84 on 9 Sept 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 14 Sept 2026.
Last updated at 14/09/2026 07:50:42
Shelly i4 Gen3 – Smart 4 Input Controller for Scenes & Automation
Delivery $19.37
Shelly i4 Gen3 - WiFi Scene Module (110-240V AC) - 4 inputs
Delivery $64.42
Shelly Plus I4 Gen3 Smart Wi-Fi Switch Input
Delivery between 16–28 Sept $40.26
Shelly i4 Gen3
Shelly i4 Gen3 4 Channel Smart WiFi Headunit Controller
Delivery $12.87
Shelly I4 Gen3, Smart Home Australia
Free delivery
Shelly i4 Gen3 Wi-Fi Input Controller - 240V AC
Next-day delivery $10
Shelly Plus i4 Gen3 Smart 4-Channel Inputs Controller (SH-SHELLY-I4G3)
Shelly Plus i4 Gen3 Smart 4-Channel Inputs Controller (SH-SHELLY-I4G3)
30-day returns
Shelly i4 Gen3 4 Channel Smart Input Controller
30-day returns
| Power Consumption | <1W |
| Dimensions | 37x42x16 mm |
| Humidity Range | 30% - 70% RH |
| Safety Features | Overheating protection |
Shelly i4 Gen3 – Smart 4 Input Controller for Scenes & Automation
Delivery $19.37
Shelly i4 Gen3 - WiFi Scene Module (110-240V AC) - 4 inputs
Delivery $64.42
Shelly Plus I4 Gen3 Smart Wi-Fi Switch Input
Delivery between 16–28 Sept $40.26
Shelly i4 Gen3
Shelly i4 Gen3 4 Channel Smart WiFi Headunit Controller
Delivery $12.87
| Power Consumption | <1W |
| Dimensions | 37x42x16 mm |
| Humidity Range | 30% - 70% RH |
| Safety Features | Overheating protection |
