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