2.4GHz digital wireless transmission， transmitting range up to 100m - 150m (in open areas)

Package includes: 1 * Baby Unit (transmitter) 1 * Parent Unit (receiver) 2 * 5V DC Converter 1 * Use's manual

Battery power with AAA size 1.5V alkaline for each unit (6pcs are required， but not included); Electric power with power adaptors (2pcs supplied both with the transmitter and the receiver)

2 way communication， can talk with you little one. High sensitivity microphone. Crystal clear voice

There are 32 channels to avoid interference (FHSS)， so crystal clear sound is possible. Interference free