Description: Long-Distance Transmission: 2.4GHz digital wireless transmission, with stable transmission signal and the Maximum Distance in The Open Area Is 300m/1000ft, Parents can talk to and comfort the baby by pressing the talking button. Lull your baby to sleep with a wide option range of up to 8 lullabies! Two Way Talking: Support 2-way voice, mother can directly hear when baby make sound, mother needs to press the button to speak. the two-way talk back intercom function to comfort your babies. Adjustable Volume: The volume can be adjusted; Parents can remotely control the night light for the baby anytime needed. So That You Can Care About the Babys Condition in Time. Soothing Night Light and Music: Built in Music and Night Light, it is a Multifunctional Monitor. Mother Can Give Children Enough Sense of Security Through Sound, Allows You to Respond In Time Or Play A Lullaby To Comfort The Baby When The Baby Is Crying. Easy To Use: Built in MIC and speaker, used for 2-way audio listening monitoring and the tone quality is clear. Cute Appearance, Compact, Small in Size and It Is Easy for The Users to Carry and Store. t Specification: Weight: 420g Package Size: 22 X 13 X 6cm/8.6 X 5.1 X 2.4inch Operating Frequency: 905-925mhz Code Rate: 500 Kbps Power Supply Mode: 5V USB 3pcs AA Dry Battery Battery Specifications: 1. 2V AA Dry Battery Package Includes: 2 Pieces Baby Cry Detectors 1 Piece Charge Cable 1 Piece Instruction