Description:The item is made of zinc alloy material, anti-rusty, with the smooth surface, very durable.Vacant (Green) / Engaged (Red) indicator shows whether room is occupied.Features:Made of zinc alloy material, anti-rusty, with the smooth surface, very durable.Surface mounted with bolt-through fixing.Smooth trouble-free operation.Vacant (Green) / Engaged (Red) indicator shows whether room is occupied.Can be fitted directly to cubicle or flush panel door.Scope of application: emphasis on elegant, clean, wear-resistant public places, such as: airports, railway stations, hospitals, offices, restaurants, shopping malls, offices and other public toilets.Specifications:Material: Zinc AlloyApplicable Plate Thickness: 12-18mmInternal Lock Size: (L) x (W) 6.1 x 4.5cm / 2.40 x 1.77in (appr.)External Lock: (L) x (W) 6cm x 4.1cm / 2.36 x 1.61in (appr.)Package Included:1 x Zinc Alloy Latch Indicating LockNotice:Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.Please understand that colors may exist chromatic aberration as the different placement of pictures.Please check whether the product size corresponds to your door before use!