Three working modes for flexible control - Self-locking mode: independently control four devices, great for multiple lights or loads that you want to operate separately. - Interlocking mode: only one device can be on at a time, helping prevent simultaneous loads and potential overload. - Inching mode: supports automatic timed shutdown for safety and energy management. Easy installation and real-time control - DIN-rail mounted design for clean, space-saving installation in electrical panels or control boxes. - WiFi direct connection technology enables reliable wireless communication. - Remotely control and monitor in real time through the Ewelink App, providing convenient access from anywhere. Smart timing and scene management - Built-in timing, delay, and cycle timing to automate on/off schedules. - Scene control function allows you to create and manage automated routines that fit your daily life and energy goals. broad compatibility and shared control - Compatible with Amazon Echo and Google Home for convenient voice control. - Voice control supported; control the switch hands-free with your preferred assistant. - Share control permissions with family members to coordinate usage and enhance convenience for everyone at home. Key attributes and capabilities - Function: 4-channel WiFi smart relay switch with three operation modes and timing options. - Compatibility: Ewelink app for remote management; works with Amazon Echo and Google Home for voice control. - Control options: independent device control, interlock prevention of simultaneous operation, and automatic inching shutdown. - Timing features: timing, delay, and cycle timing to automate operations. - Scene management: supports scene control to streamline routines and improve energy efficiency. - Installation: DIN-rail mounted for easy integration into existing electrical or automation setups. - Performance: real-time monitoring and remote access via mobile app for convenient, reliable control. Practical use scenarios - Home lighting and appliance control: manage four lighting circuits or devices from a single DIN-rail mounted module; create scenes for “movie night” or “night mode” to automate lighting and powered devices. - Office or workshop equipment management: use interlocking mode to ensure only one device is active at a time, reducing the risk of overload; schedule on/off cycles to save energy during off-hours. - Family-friendly automation: integrate with Alexa or Google Home for voice-controlled control and share access with family members to coordinate daily routines and monitor status remotely. This product provides flexible four-channel control with clear mode options, reliable WiFi connectivity, and convenient app-based and voice-controlled operation, all designed to simplify automation, enhance safety, and improve energy efficiency.