Feature:1. 2.4GHz digital wireless transmission, stable transmission signal. Builtin MIC and speakers for twoway audio monitoring.2. Longdistance transmission, up to approx. 200 300m/218.7 328.1yd in an open position.3. Supports twoway intercom, the mother can hear the baby directly, and the mother needs to press the intercom button to talk to the baby.4. The volume can be adjusted. The mother side can control the baby side music, night light and volume.5. Baby monitor has a builtin music, with a night light on the baby side to provide a comfortable environment for the baby.Specification:Item Type: Baby MonitorMaterial: ABSPurpose: Intercome for child monitoringColor: BluePlug Voltage: 100 - 240VTransmission Frequency: ISM 905 - 925MHzTransmission Power: 10dBmModulation Type: FSKModulation Frequency: 180kHzReceiving Sensitivity: -92dBmPower Supply: DC 5V USB or 3 x AAA batteries (battery not included)Transmitter Working Current: Maximum 180mATransmitter Standby Current: Maximum 75mAOperating Temperature Range: 0 - 50Storage Temperature: -40 - + 70.Package List:2 x Intercom2 x Power Adapter1 x Description