1、5-inch color TFT screen, ultra-clear image display real-time video and audio, 4GHz wireless technology can prevent signal loss. The viewing angle is adjustable and easy to install. 2、Built‑in lithium battery, rechargeable, can reduce the number of battery replacement and the frequency of possible failures. Brightness adjustable and energy‑saving function. 3、With two‑way intercom and classic lullaby, you can hear your baby's voice and let your baby hear your voice in ultra‑clear voice. Soft music can soothe the baby at night and stop automatically within 40 minutes. 4、Automatic infrared night vision, and it will automatically start under dim light, providing clear video even in a dark room. 5、The temperature monitoring function can help you observe the baby's room temperature and beep when the temperature exceeds 30°C. 1 x Monitor1 x Camera2 x Power Adapter1 x User Manual Item Type: Baby CameraMaterial: ABS PlasticSystem General: 1. Operating Frequency Range: 2400 MHz- 2483.5 MHz 2. Transmitting Power: 17dBm maximum 3. Display Sensitivity: -88dBm 4. Modulation Type: GFSK 5. Transmission Range: Outdoor 100m (line of sight). For indoor use only. Wireless Camera: 1. Image Sensor Type: 1/3 color CMOS image sensor 2. Effective Pixels: H: 640, V: 4803. Infrared LED Type/Night Vision: 8pcs infrared LED-850nm / 5m 4. Power Requirement: DC 5V, camera without built-in battery 5. Other Features: Built-in microphone/speakerPlug Voltage: 100-240VWireless Monitor: 1. Display Type/size: Color TFT 3. 52. Resolution (pixels): 960 x 240 (RGB) 3. Number of Cameras: Supports up to 4 cameras (1 is included) 4. Power Requirements: Adapter DC 5V±10% Battery: 3.7V lithium polymerPlug Voltage: 100-240VHow to Use: 1. Both the indoor unit and the outdoor unit are connected to the power supply, and the wireless signal is automatically connected after being turned on. 2. On the indoor unit, you can adjust the lullaby and set the brightness. 3. Two-way intercom can be supported on the indoor unit.