2-Gang V-Pro Smart Master Non-WiFi Dimmer 2 x 100W LED (Multi-Way with up to 2 Supplementary Controllers)- Traditional rotary dimming with Multi-Way operation when used with supplementary controllers- V-Pro Smart Control for intuitive dimming- Simplified programming system for easy setup- Full dimming control from up to 3 dimmer locations- This product is not for use with WiFi. Choose Master Dimmer with WiFi for Smartphone Control