VTech DM1211-2 DM1211 Digital Audio Baby Monitor with Enhanced Range (2 Parent Units)VTech DM1211 2 DM1211 Digital Audio Baby Monitor with Enhanced Range (2 Parent Units) Baby monitor lets parent hear baby clearly for up to 1,500 ft. of enhanced range; DECT 6. 0 digital technology provides secure audio transmission while eliminating annoying background noise; Built in 2 way talk back intercom makes it easy to soothe baby before parent gets to the nursery; Night light on baby unit creates a soothing glow for baby to fall asleep to;