No.

Model No.

Description

1

B5231

220/240VAC Interconnectable + silencer (AC only)

2

B5232

220/240VAC Interconnectable + silencer with 9V battery backup

3

B5233

220/240VAC Interconnectable + silencer with rechargeable battery backup

4

B5235

220/240VAC Interconnectable + silencer with built in rechargeable battery backup