The babymoov high care baby monitor has a range of 1000m and an impressive 136 channels built in is a digital screen that features a temperature indicator along with a temperature alarm the unit is voice activated and the microphone sensitivity can be adjusted to suit this baby monitor features 4 different alarms these are sound visual vibration and distance the reciever runs on a longlife rechargable lithium battery while the transmitter has the option to run on the mains or on aaa batt