Features: *High Quality Material: Made of high quality material,durable and wear-resistant,not easy to break,can use for a long time. *High Volume Alarm: When someone opens the door to invade the room,the door stops alarm will sound a 120dB alarm and scare off the intruders,while reminding the owners of the room to pay attention to safety. *Stable: The bottom is made of non-slip wear-resistant material,which can prevent the door from slipping. *Adjustables Level: High - medium - low sensitivity,and pressure sensitivity can be adjusted according to different situations. *Multi-Purpose: The securitys door stops are very portable and you can use them at home,hotel,apartment,company,etc.The door stop alarm will provide you with safety when traveling or on business. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS Size: 15*6*4.5cm Package List: 1 x Door Stopper