Welcome to our store！</br>1、36 Chords Switching: Let you have different exclusive ringtones, make life more fun. Four levels of volume adjustment, so you can hear it in the living room kitchen bedroom or backyard. 2、Self Powered Doorbell: When you press the doorbell button, the kinetic energy of your finger is converted into electricity, no wiring and no batteries are required. 3、Silent Mode: Intimate silent design, avoid being disturbed at night when your family or baby is sleeping, so you can have a comfortable nap and sleep. 4、Long Range Doorbell: 433MHz RF signal, wireless doorbell signal penetration, can penetrate thick walls, the use of distance depends on the actual use of the environment. 5、Wireless Doorbell: First stick the adhesive on the back of the transmitter, and then tear; choose the location and stick it; plug in the receiver, the light is on and can be used normally. <p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type:&nbsp;Wireless Doorbell Set Material: ABS <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 Transmitter&nbsp;1 x&nbsp;Receiver 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>