General description The Door Stopper with Alarm is a versatile security device designed to enhance home safety and child protection. Made from durable ABS plastic and stainless steel, this door stopper features a loud 120dB alarm that activates when an intruder attempts to open the door. It is lightweight and portable, making it ideal for use at home or while traveling. Technical specifications Material: ABS plastic and stainless steel Alarm sound: 120dB Weight: 110g per pack Battery required: 9V (not included) Recommended gap between door and floor: 10-35mm Adjustable Sensitivity Levels Three sensitivity settings: Low, Medium, High Adjustable sensitivity switch for customized security Usage Place the alarm under the door and turn on the switch to activate Can be used as a regular door stopper when the alarm is turned off Best suited for inward-opening doors, such as those in hotels Not recommended for very smooth floors (like tile or laminate) at high sensitivity