Fangrui Product Details 1. Description: 2. Scope Of Application: Indoor 3. Operating Temperature:-10-45 4. Shell Material: Pc Fire Retardant 5. Special Function: Voice Control 6. Wiring Mode: Zero Live Wire 7. Switch Type: Voice Control App Remote Control 8. Specifications: 9. Super Mini Diy Light Switch On And Off Device, Compatible With More Than Of The Installation Bottom Box On The Market 10. App Remotely Controls The Light Switch At Any Time And At Any Place. 11. Interlock Setting, All Switches Are Turned On, And Other Switches Are Automatically Turned Off 12. State Memory Function. After Power Failure And Power Supply Are Restored, The Switch Can Be Defined As A Switch Or Keep The Same As Before Power Failure. 13. Voice Control, A Simple Voice Command To Control The Light Switch 14. Package Included: 15. 1 x On-off Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.