1. Voice Control, for Alexa/ Home To Control The Device Via Voice 2. 2 Ways/Multi-Control Association, So That The Device Can Be Controlled By Two Switches At The Same Time (This Function Cannot Be Through Traditional Wiring, You Need To Connect 2 Switches To , And Then Set It On The App. ) 3. App Remote Control, Control The Switch Anytime And Anywhere Through Mobile App 4. The Backlight Can Be Turned Off. When You Sleep, You Can Turn Off The Backlight. 5. Timing Function, Set The Time To Turn On/Off To Make Your Life More Convenient<br><br>Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:As Shown Material:Hot Dip Galvanized Steel<br><br>Package Contents: 1 Set x T48 Universal Programmer (With 12 Accessories)<br><br>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.