™ In more detail... Getting started... Safety The ventilation should not be impeded by covering the ventilation openings with items, such as newspapers, tablecloths, curtains, etc... The normal operation of the product may be disturbed by strong electromagnetic interference. This equipment is intended for domestic use only. Wired Door Chime Kit: 765 Power : 4 x ‘C’/LR14 1.5V Batteries Bell Wire: 5 Metres Included Max Length: 20M using Battery or 8V Transformer.
