Angelcare AC-420 Sound Monitor - Available June '08
Can be used anywhere baby sleeps (camping, chalet and other places without electricity), Rechargeable Sound Monitor, Parents Unit operates on rechargeable NiCab batteries (included) for longer battery life or AC adapter. Nurse Unit operates on AC adapter or 4 AAA cells for battery back up.
Features: Voice activated, Battery or AC adaptor operated, Sound lights to see and hear baby's sounds, 8 channels to minimise interference, Volume control, Automatically converts to battery in case of power failure. Range: up to 250 (open field); between 80 meters and 100 meters (indoors).