1. WIFI Off Switch Module 2. App Mobile Control, Control The Switch Anytime And Anywhere Through Mobile App 3. Voice Control, Just One Voice Command To Control The Brightness Of Your Lights 4. Timing/Countdown/Schedule, Maximize The Intelligent Diy Of Your Daily Life 5. Stepless Dimming, Dim The Light Brightness From 0% To 100% To Adapt To Different Scenes: Sleeping, Working, Watching Movies, Parties, Etc. Type:WIFI Dimming Module Working Temperature:-10℃-40℃ Voltage:AC100-240V 50/60HZ Protocol:WIFI IEEE 802.11 B/G/N Operating Range:Less than 100m Working Frequency:2.412Ghz-2.484Ghz Protection Level:IP20 Maximum Load:1 Gang (AC230V 150W) (AC120V 80W) / 2 Gang (AC230V 2x100W) (AC120V 2x60W) Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:ABS Package Contents: 1 * Dimmer 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.