Latch Indicating Lock Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you![QUALITY MATERIAL]- Made of zinc alloy with smooth , , wear- and long service life. Suitable for the thickness of 0.5-0.7inch/1.2-1.8cm of door panels.[APPLICATION PLACE]- The product is suitable for toilets, locker rooms, showers. For example: sports field, ball court, gym, hospital, airport, train station, restaurant, shopping mall, etc.[SHOW VACANT OR OCCUPIED]- This product prevents people from knocking on the door when it is closed, and the signage shows free (green)/enabled (red), making it easy to show if the room is occupied or not. Very convenient and efficient. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! [QUALITY MATERIAL]- Made of zinc alloy with smooth , , wear- and long service life. Suitable for the thickness of 0.5-0.7inch/1.2-1.8cm of door panels. [APPLICATION PLACE]- The product is suitable for toilets, locker rooms, showers. For example: sports field, ball court, gym, hospital, airport, train station, restaurant, shopping mall, etc. [SHOW VACANT OR OCCUPIED]- This product prevents people from knocking on the door when it is closed, and the signage shows free (green)/enabled (red), making it easy to show if the room is occupied or not. Very convenient and efficient. Color: Photo Color Material: Zinc alloy Package Contents: 1*Latch Indicating Lock set 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.