The babymoov expert care audio baby monitor uses quotdigital green technologyquot this is a new technology of low emission power of only 299mw which guarantees your baby sleep without any risk of wave exposure with 1000m range this monitor allows you to work even in the garden and still know whats your baby doing the monitor has 3 different alarms44 automatic channel search44 low batteryout of range alarms44 vox system and belt clip for the parent receiver