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SHPLUSI4DC
Convert your multi-button wall switch into an automation scene controller with the Shelly Plus i4 DC Input Controller. This Wi-Fi operated controller is ideal for low voltage systems that operate on DC 5-24V power supply. It's specifically designed for installation behind a wall switch and features 4 switch/button inputs, 3 power supply inputs, and Wi-Fi connectivity so you can utilize its embedded web server to access and manage it remotely using a computer or mobile device from any location you have an Internet connection. It can also be used to control other Shelly switches, sensors, or devices controlled by HTTP and MQTT protocols. Additionally, it comes with Bluetooth connectivity to make it easy to add devices during the initial setup and pairing through the Shelly Cloud app (available for iOS and Android).
The Shelly Plus i4 DC Input Controller can connect to a multi-button wall switch (up to 4 buttons) and operates as a home automation controller without having to be connected to a smart home hub. Once connected, each button supports up to four different actions, which means a single 4-button switch can trigger up to 16 individual actions. It's also designed with a Smart Schedule feature that will allow you to automatically trigger actions or home automation scenes at set times. You can set up scenes to control your smart devices, such as switching lights on or off, closing blinds, powering down outlets, or adjusting thermostats by pressing a button or on a planned schedule, like every weekday at 7:00 a.m. The Shelly Plus i4 DC Input Controller is also designed with an ESP32 fast processor for an improved API interface and offers Overheat Protection to cut power and prevent damage to connected devices that may overheat.

Shelly Smart Control App – Everything at Home Connected
Enjoy enhanced home automation control and precise monitoring of your Shelly devices no matter where you are with the Shelly Smart Control app. The app connects to Shelly's cloud service to help you control your connected devices remotely and send notifications for all automated events in your home directly to your smart device. You can easily configure devices and manage their settings individually, or you can create personalized scenes by combining Shelly devices to trigger certain actions in your smart home network. The Shelly Smart Control App supports real-time power metering with power management (PM) devices, smart plugs, and smart bulbs in order to allow you to build complex automation solutions for improved energy efficiency and lower electricity bills. Shelly devices are compatible with other most widely accepted both local and cloud based home automation platforms. A Shelly Smart Control App user account is required to access, include, and control Shelly devices through the Shelly Smart Control application and include your Shelly devices to 3rd party home automation or voice assistant platforms like SmartThings, Amazon Alexa or Google Home.
NOTE: Requires connection to a Wi-Fi network.
Shelly creates innovative and affordable smart home devices for residential and business applications. Shelly, formerly Qubino, now focuses on providing Wi-Fi and Z-Wave compatible smart home solutions. Shelly devices are among the smallest automation control devices in the world, allowing them to find their place in nearly any sized smart home installation. Shelly utilizes the latest technologies to deliver superior automation, safety, and energy efficiency to their customers without breaking down their walls or bank accounts.