Specifications Product Name Tuya WiFi 4 inch Smart Touch Screen Center Control PanelVoice Control Built in AlexaSystem LinuxCompatibility 410 000 Tuya eco productsConnection Capacity Up to 20 kinds of products 100 devicesScreen Size 4 inch LCDBrightness Adjustment Self adjusting brightness based on the environmentVersion Requirement Must update to V2 2 5 or higher for smart switch module and doorbell intercom functionFeatures 1 Integrated Voice Control Built in Alexa allows voice control of IoT devices eliminates the need for an additional voice assistant 2 Extensive Device Compatibility Supports over 410 000 Tuya ecosystem products and can manage up to 100 devices for a comprehensive smart home setup 3 Enhanced Security Multimedia interconnection function compatible with smart doorbells and cameras for real time monitoring and enhanced home security 4 Versatile Control Capabilities Serves as a multifunctional control panel integrating ZigBe gateway light control switch panel and visual doorbell panel among others 5 Smart Scene Activation Allows users to connect multiple smart scenes set alarms get weather forecasts and more via voice control and mobile app synchronization 6 Remote Access Mobile app control offers remote operation enabling users to check and manage their devices anytime and anywhere 7 Superior System Performance Linux system provides faster response and smoother control compared to previous Android systems ensuring a superio