[Easy to install and use] Only Zero fire line are required, no hub is required. Comply with FCC standards and power is 600W. Only 2.4GHz Wi-Fi connection is supported (5G WiFi is not supported). Moisture-proof and suitable for bathroom, fire-proof material, tempered glass panels are easy to clean, and the product size is 86x86x34mm. [A 3 Way Control Method] After setting on the APP, three switches can control the same light by touching it. Setting steps: Select All Devices in the APP, click the corresponding switch, click the upper right corner to enter the interface, find the Multi-Control Association to set it. [Multiple control methods] Voice your smart switch to avoid groping in the dark, control via APP from anywhere instantly, or simply touch the switch for on-the-spot response. [Share Control and Group Control] Smart Home Control has become simple. Share switch usage permissions with your family. Group devices for easy voice or APP control for a smarter, smoother home. Product Name:LED Display Intelligent Switch Communication method:WiFi 2.4GHz Input voltage:100-240V Load power:less than equal 600W per channel Wiring method: neutral and live wires Control buttons: 3 groups Shell material:PC flame-retardant material Dimensions:86x86x34mm APP:Smart Life, Tuya Smart Color:Black Material:Aluminum Alloy + Tempered Glass Package Contents: 1 * Smart Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.