Adopts durable zinc alloy and electroplating treatment, it is anti-rust, corrosion resistant and durable Can be used for public toilet to indicate that the room is vacant or engaged Red(engaged) and green(vacant) color is easy to recognize, so it is a universal indication Easy to install, suitable for partition door and bulkhead door Applicable to public toilets such as airport, station, hospital, shopping mall and office building, Manufacturer: FTVOGUE