For Deafblind users: please click the largest "A" as many times as needed.
This is not a standalone unit
Alertmaster wireless doorbell works in conjunction with the Alertmaster AL-10 master console unit or with the AM-PXB Personal Vibrating Receiver unit. Wireless transmission to master unit and/or receivers, no wiring or plug-in necessary. Wireless doorbell button can be mounted with hardware or with double-sided tape or velcro.