Self Powered Wireless Doorbell Button Kit 38 Chime Up to 656ft Range

Features:
【Wireless Doorbell】: No battery needed, this self-powered wireless doorbell allows you to press and generate electricity, eliminating the hassle of wiring and making installation a breeze.
【Multiple Receivers Transmitters】: Connect up to 5 transmitters to one doorbell receiver, providing convenience for different areas of your home or office.
【Versatile Applications】: Ideal for home care monitoring, alerting you when someone is at the door. It can also be used in hospital rooms for patients to call for assistance, as well as during nursing or pregnancy periods when a quiet call is necessary.
【Customizable Melodies】: With 38 available melodies, you can easily change the ringtone to suit your preference. The high-quality sound ensures clear and pleasant tones in various styles.
【Long Range Durable】: The wireless doorbell receiver has a signal range of up to 200 meters (656 feet) without obstruction, and 50-70 meters (164-230 feet) with obstacles. The self-powered transmitter is made of flame-retardant PC material, ensuring durability and reliability.