Adopted zinc alloy and stainless steel, this indicator door lock is sturdy and durable for long use. Red and green color will indicate whether the room is occupied, applicable to public toilet, restroom and bathroom. _x000D_ _x000D_ Features: _x000D_ Made from zinc alloy and stainless steel, this bolt lock is sturdy and durable for long use. _x000D_ Can be used for public toilet, restroom and bathroom to indicate that the room is vacant or engaged. _x000D_ Red(engaged) and green(vacant) color is easy to recognize for universal indication. _x000D_ Easy to install, suitable for partition door and bulkhead door. _x000D_ Applicable to public toilets such as airport, station, hospital, shopping mall and office building. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Condition: 100% New _x000D_ Material: Zinc Alloy + 304 Stainless Steel _x000D_ Main Color: Silver _x000D_ Indication Color: Red, Green _x000D_ Universal Suitable Plate Thickness: about 12~18mm/0.47~0.71in _x000D_ Detailed Size: Shown as Picture _x000D_ Weight: Approx.183g/6.5oz _x000D_ _x000D_ Package List: _x000D_ 1 * Indicator Door Bolt Lock with Screws _x000D_ _x000D_ Note: _x000D_ 1. Please allow 0-2cm error due to manual measurement. Thanks for your understanding. _x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. _x000D_ 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Made from zinc alloy and stainless steel, this bolt lock is sturdy and durable for long use 2Can be used for public toilet, restroom and bathroom to indicate that the room is vacant or engaged 3Red(engaged) and green(vacant) color is easy to recognize for universal indication 4Easy to install, suitable for partition door and bulkhead door 5Applicable to public toilets such as airport, station, hospital, shopping mall and office building