The 2.4G wireless baby monitor is mainly for out-of-home orders, which is convenient for mothers to take care of infants and young children, and is a little helper for mothers in life In theory, this product can transmit 200 meters in open space. It is calculated from the data. In actual use, it will be shorter than the theoretical distance due to interference and obstacles in the actual environment. The specific distance should be based on the actual environment, and the distance between different environments will be different. 3.5 inch high-definition LCD screen 380TVL display, 480X234 resolution Built-in lithium battery, charging can be used to reduce the trouble of replacement battery Digital RF modulation with frequency hopping function (RF channel automatic switching) Dynamically select a clear channel to avoid interference with other 2.4GHz devices Data privacy protection (supports user ID recognition) Hypnotic music conference Temperature display Intercom, supports data encryption data Night vision (effective range 5 meters) Built-in microphone and speaker in both receiver and camera Transmission range in open space up to 300 m (990 ft)