This green and red indicator on the lock directly shows whether the toilet is occupied. No more need for embarrassing knock to see if there is someone in the restroom and toilet. Excellent and great choice for those public places that emphasis on elegant and clean. Features -Color: Silver -Material: Stainless steel -Size: 10.20X6.40X4.70cm/4.01X2.52X1.85in - The lock can be used for public toilet, restroom and bathroom to indicate that the room is vacant or engaged. - Green indicates that there is no one in the public toilet, and red indicates that the public toilet is being used. - Perfect used for public toilets such as airport, station, shopping mall and office building. - High-grade materials and fine workmanship will ensure its practicability and durability. - It can be easily installed and is very practical and convenient to use with the indicator design. Package list: 1 × Set of Privacy Indicator Lock