1[Anti Interference] This baby monitor adopts FHSS anti interference, which has strong anti interference function and works in 905925MHz ISM band, which can ensure you and your baby sleep peacefully all night. 2[Music Function] This baby monitor has the function of playing music, you can distract your baby by playing some toddler music when your baby is crying. 3[Clear Sound] This baby monitor has clear sound and can transmit to you first when your child moves, and the receiver will turn off automatically when there is no sound from the transmitter within 20 seconds. 4[Night Light Function] The baby monitor can be used as a night light. If your child or you are afraid of the dark, the baby monitor can provide light for you or your child at night. 5[Pairing Word Required] This baby monitor transmitter and receiver need to be paired with a before any confidence operation can be performed. The transmission distance in the field is up to 200300 meters (656.2-983ft), and the quality is very guaranteed.