BAZHOU Made of stainless steel 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 the room is occupied. 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. Delivery Quantity: 1 set of 2pcs, Package Contents: Only the above package contents, excluding other products. Dimensions: door lock: display 49.5x44x30mm, interface length 60mm; plug 56x39mm, socket 20x39x14mm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: silver (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)