features：<br />1. and high quality<br />2.strong and durable<br />3.easy to install<br />4.a sturdy alternative to the conventional door chain<br />5.this robust door guard gives you peace of mind and security when opening your front door<br />6.door opens to approx 30-50mm for viewing<br />7.suitable for doors or windows（the door and the door frame has to be on the same plane！）<br /><br />specifications：<br />1.material：zinc alloy<br />2.color：chrome color<br />3.size：as picture shown<br /><br />package included：<br />1 x door guard<br />7 x screws