【MATERIAL】Made of zinc alloy material, anti‑rusty, with the smooth very It will be applicable for the door panel with a thickness of 12-18mm. 【ENGAGEMENT INDICATOR】With this signage lock, your customer won't spend long finding where the toilet is, especially the available room. The vacant (green) / Engaged (red) indicator easily indicates whether the room is occupied. 【WIDE APPLICATION】Ideal for toilets / shower stalls and bathrooms. Focus on stylish, clean and hard-wearing public places, such as: volleyball, gymnastics, airports, train stations, hospitals, restaurants, shopping malls, offices and other public toilets. 【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 accidentally locked. Comes with a smartly designed emergency lock switch that can be unlocked outside in an emergency. 【CONVENIENCE】This product is excellent to avoid having to knock on the door when the door is closed. The vacant (green) / Engaged (red) indicator will make it clear to everyone that the toilet is occupied remotely., Manufacturer: Zerodis