Self-Powered Wireless Kinetic Door Bell with Plug in ChimeIntroducing the Self-Powered Wireless Kinetic Door Bell with Plug in Chime, the perfect doorbell solution for those who want a modern, practical, and easy-to-install option. Here are some of its features and specifications:Self-Powered: This doorbell requires no batteries for both the transmitter and receiver. It generates electric power itself with a press of the transmitter and sends a stable signal to the receiver.Modern and Practical Design: With its stylish appearance and practical functions, this doorbell is lightweight and sensitive. It is perfect for any modern home or office.Easy to Install: This doorbell is easy to install - simply plug the receiver into a power socket and attach the transmitter to the door. No need to make holes.38 Ringtones & 4-Level Volume: Choose from 38 different CD-quality sound tunes and adjust the volume to your liking with 4 levels of adjustable volume from 25dB to 85dB. The doorbell also has