Item Type: Digital Sound Kids Monitor Weight: 356g/12.56oz Material: ABS Host Battery: 3 x AAA (shipped without battery) Voltage: 100-240V Package List 2 x Host 2 x Plug Power Cord 1 x Instructions 12.4GHz Digital Wireless Transmission: With a signal transmission range of 200300 meters, ensure that you can monitor your baby within a wide range without any interference. 2Built in Microphone and Speaker: Enables two way communication and sound monitoring, allowing parents to talk to and hear their baby anytime, anywhere. 3High Sensitivity: Easily detects kids's cry, providing gentle notifications to parents even in a soft volume, ensuring you never miss a moment. 4Night Light Control: Both parents and kids can remotely control the kids's night light, creating a comforting environment for better sleep. 5Lullabies Selection: Choose from a variety of lullabies to help soothe your kids and promote a peaceful sleep.