Welcome to our store！</br>1、Split Type: The infrared sensor is separated from the doorbell, the sensor is installed at the door, and the host can be placed at will. 2、Welcome Doorbell: Infrared motion sensor doorbell will greet guests and remind you of guests coming to the store. 3、Anti Theft Alarm: Commercial door bell can keep your shop safety at night, protect the safety of property. 4、Loud Sound: Once the commercial door entry alert detects people, it will sound a loud greeting or alarm. 5、Applicable Place: Suitable for door entrance, driveway, walking paths, apartment, office, hotel, store, and many other indoor places. <p class="wang-edit-text"><p class="wang-edit-text">Item Type:&nbsp;Motion&nbsp;Sensor&nbsp;Doorbell Material: ABS&nbsp; <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Host1 x Sensor Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>