Vacancy and Commitment Indicator: Are your guests constantly on the go and others afraid to use the rest rooms? With this signal lock, your customer will not spend long to find where the toilet is, especially the available room. Vacant (green) / Engaged (red) indicator easily shows if the room is occupied. Premium Quality Durable Metal Material: Made of stainless steel, rustproof, well made with smooth surface smooth and wear resistant. It will be applicable for the door panel with a thickness of 12-18mm. Convenience And Efficiency: This product is excellent for avoiding having to knock the door when the door is closed. The Vacant (Green) / Engaged (Red) indicator will make it clear to everyone that the restroom is occupied from a distance. No more waiting 10 minutes in front of the toilet. Wide Application: Ideal for toilets/shower stalls and bathrooms. Emphasize elegant, clean and wear-resistant public places, such as: volleyball facilities, gymnasiums, airports, stations, hospitals, restaurants, shopping malls, offices and other public restrooms. Useful Lock: Don't worry if the door is closed by accident. There is an emergency hole on the outside to open the locked door when it is locked accidentally. Comes with a smart design emergency lock switch that can be unlocked outside in an emergency. Product Description Do you feel eager to guide the general public to find and recognize where the public toilets are? That is the reason why we decided to develop this lock indicating the lock. Good visual locking and solid helps washrooms to be easily found and indicated. No more courtesy calls to see if it's occupied. It's obvious the room is occupied. Because it clearly tells customers, if it's Vacant, they can leave; if it's Busy, they have to wait. It can be widely used in volleyball facilities, gymnasium, airports, hospitals, restaurants, offices and other public restrooms. The item is made of stainless steel, anti-rust, with the smooth surface. Vacant (green) / Engaged (red) indicator shows whether the room is occupied. Features: The item is made of stainless steel, rustproof, with smooth surface, very durable. The free (green) / occupied (red) indicator shows if the room is occupied. Note: Because measurements are taken by hand, sizes shown may vary by 1 /8-1/4 and make sure you don't mind before ordering. Please note that colors may exist chromatic aberration due to different locations of the picture.