Sonic Alert HomeAware Baby Cry Sound Signaler HA360SSBCK2-1 Wireless microphone Battery Type: Two 1

Battery Type: Two 1

Weight:  85 grams (3 oz)

and a full-duplex speakerphone on each device

Replacement foam ear pads available at this link: EAR 015-10

Sonic Alert HomeAware Baby Cry Sound Signaler HA360SSBCK2-1 Wireless microphone Battery Type: Two 1The Baby Cry Sound Transmitter will send a signal to the HomeAware II Main Unit Signalling HUB HA360M II and other remote receivers when it hears the sound of a baby crying. The screen will scroll "BABY" along with alerting you with sound, lights and vibration. Relax and sleep better knowing the baby is safe, and you will be alerted when the baby cries. Features 3 level sensitivity switch Battery backup (9V battery not included) Includes AC Adapter