The babymoov easy care baby monitor uses quotdigital green technologyquot this is a new technology that has a low emission power of only 299mw which guarantees your baby sleep without any risk of wave exposure with the impressive 500m range and with zero interference this monitor also features vox system voice activated function44 2 alarms44 digitall volume control44 low battery indicator44 led display44 automatic channel search and belt strap of the parent receiver