Lcd display with backlightnight light on baby unitthre activity timers for feeding nappy changes and sleepingability to switch nightlight onoff from parent unithigh sensitivity microphonedect interference free technologyvolume control and visual sound level indicatorsecure data encryptioneco moderoom temperature monitoringfive lullabiesrecharageable batteries for the parent unitstandby up to 14hrslow battery alertbelt clip on parent unitrange up to 300 metresout of range alertrequires 2 xaaa b