Brand: YEING Model: 433 Frequency Smart Type: Other Color Classification: White 1 Road random paste white 2 Road free paste white 3 Road free paste black 1 Road free paste black 2 Road free paste black 3 Road free paste gold 1 Road free paste gold 2 random paste gold 3 free stickers: free paste can not be used Name: free stickers Installation: free stickers or screws on the wall Advantages: free wiring, waterproof panel, easy to clean Working principle: and switch with the code Wireless control can be achieved even with the host frequency: 433 frequency