Rest without worries using the NTM-910DUAL 900 MHz BabyCall® nursery monitor. It includes one transmitter and two receivers, perfect for placing in the two most popular rooms in your house. And with 27 channels, interference is minimized for crystal clear sound quality. Designed for use in the kitchen or bathroom, the receivers are also water resistant for maximum durability. For versatility, you can choose to power the system with supplied rechargeable batteries or standard household current.