Feature: 1. 2.4GHz digital wireless transmission, stable transmission signal. Built‑in MIC and speakers for two‑way audio monitoring. 2. Long‑distance transmission, up to approx. 200 ‑ 300m/218.7 ‑ 328.1yd in an open position. 3. Supports two‑way 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 built‑in music, with a night light on the baby side to provide a comfortable environment for the baby. Specification: Item Type: Baby Monitor Material: ABS Purpose: Intercome for child monitoring Color: Blue Plug Voltage: 100 - 240V Transmission Frequency: ISM 905 - 925MHz Transmission Power: 10dBm Modulation Type: FSK Modulation Frequency: 180kHz Receiving Sensitivity: ≤ -92dBm Power Supply: DC 5V USB or 3 x AAA batteries (battery not included) Transmitter Working Current: Maximum 180mA Transmitter Standby Current: Maximum 75mA Operating Temperature Range: 0 - 50℃ Storage Temperature: -40℃ - + 70℃. Package List: 2 x Intercom2 x Power Adapter1 x Description