V-Pro Smart Master Non-WiFi Dimmer 1 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.. Not suitable for use with Screwless faceplates.