DIY Expandability - Expand this system to fit your needs by pairing up to 5 push buttons to your receiver. Each push button can also be paired with multiple receivers to increase the notification coverage area. Easily expandable to meet your requirements! Expandable &DIY -You can DIY to meet your requirement by pairing additional receivers and push buttons. 1 Receiver can pair up to 5 Push buttons There is an auto-learning code button on the edge side of the receiver. If you want an additional doorbell to work with the Receiver, just press the auto-learning code button once and the doorbell can work with the Receiver. Where can i buy the additional push button? can i pair 2 push buttons with different tones? is there any holiday tone? There are 36 chimes with 3 levels of adjustable ringing volume(High/Medium/Low) from 25-110 dB, you can choose what you like. In addition, there are 3 modes available (Sound/LED Flash/Sound and LED Flash). The LED Flash mode is designed for someone who has a hearing problem or when ringing is not required.

Press the push button on the doorbell once, a sounding wireless signal will be sent to the receiver. The sound will stop as soon as the melody ends. For repeated sound, press the button again. Hold the button on, the sound repeat stops. Different ringtones - There are 36 different ring tones with 3 levels of adjustable volume (High / Medium / Low) from 25-110dB Wireless Doorbell, Portable Round Doorbell Operating at 500 feet, 36 Chimes, 6 Levels Volume and LED Flash I have a multi family house amd we need to put 3 door bells, is itgoing to be a problem even if we buy 3 of them? How they will work if we get 3?This door bell kit is compatible with any Easy Chime at 1byone and vice versa. If you want to add more push buttons/ receivers, they are all available at 1byone. is it true that the Bell Receiver relies on 120vac only for power?? This is rather impractical and limits the possible locations available inside. I bought this for my 2 family home and just realized that it only has one button therefore it can only be used for one home? Bummer...

Notification Modes - Press the Sound-and-Flash Button to set your preferred notification mode. Modes include sound only, LED flash only, and sound and LED flash combined. Choose from 36 different ring tones with 6 levels of adjustable volume (High / Medium / Low) from 25-110dB.Save Videos and Photos - Videos and photos taking from the outdoor doorbell will be stored on the inserted SD cards or the monitor’s internal memory for later viewing. (Note: Saving video requires an SD card, up to 32GB, a 1GB SD card included);

Our doorbell push button can be paired with multiple receivers. But we don't have a single receiver to sell.There is a volume button between melody selector and sound-and-flash switch. Press it to adjust the sound volume to be high, medium and low. There are 36 chimes with 6 levels of adjustable ringing volume (High / Medium / Low) from 25-110 dB, you can choose anyone you like. In addition, there are 3 modes to choose (Sound only /LED Flash only /Sound and LED Flash), you can choose the LED Flash mode when someone is sleeping(especial a baby). This mode also design for the person who is hearing impaired.