HDL-MPB03.48 hotel door bell which is accompanied by the HDL Hotel control system. It can be
used for visitors reminding when user is inside
room, and it can also indicate different messages ,
for example, DND, ask for room-cleaning, etc.
Working voltage : DC12-30V
Power consumption : 25mA/24VDC
Dimensions : 86×86×22.2 (mm)
Net weight : 98g