Offered here is 5 PIECESpieces of BRAND NEW push button electric door bell / chime. Requires 2 pcs of AA batteries not included.
For the above item to operate, you need a complete set of related items/accessories as shown in the following table (click on any of the icons below to purchase them). They are all compatible with one another. Choose one item from each column.
Access Control Unit
the access key (from outside)
the access switch or panic/emergency access switch (from inside)
