Description Features Standard 3 1 audio connectionPart of the 3000 series smart range of audio handsetsElectronic call toneOne button (door open)3 levels of call tone volume controlABS shockproof plastic housing for surface mounting System Compatibility Compatible with the following audio kits, 4K series8K seriesVR4K seriesVR120DK series Datasheet is available here. Find out more about us here.
