Black Plug in Trend Chime design Black Plug in trend chime design Black 230 V plug in With dørtryk ip 44 with battery. Elegant past, the laws minimalist design Plug in bell receiver no batteries 32 Optional tunes Self learning coding prevents coincidence 100 Meter reach Part pilot light on dørtryk sends Volume control on bell receiver Expand with additional dørtryk art no. 6290020072 To for example, back door Battery to dørtryk sends included Brand: TREND