This wireless chime set is also suitable for connection to existing doorbell systems. Illuminated doorbell buttons and/or battery-powered chimes may not be used for this combination. Ports & interfaces Connectivity technology: Wired & Wireless Weight & dimensions Bell width: 7.5 cm Bell depth: 3.7 cm Bell height: 12 cm Transmitter width: 10.1 cm Transmitter depth: 2.1 cm Transmitter height: 3.4 cm Power Power source type: AC, Battery Packaging content Cables included: USB Batteries included: Yes Number of batteries included: 1 pc(s) Features Product colour: Black Volume: 89 dB Illuminated push button: Yes Night-light: Yes Easy to install: Yes Waterproof button: Yes
