Digital baby monitor 1) Two-way speak 2) Stable singal ... 2.5" wireless night vision digital baby monitor two way speaker Brief Description: 1) Portable Monitor receiver, built-in Li-Battery, ... same time3) 2.4” TFT LCD color monitor, clear video.4) Digital signal transmission with more encryption to protect privacy, ... Power Consumption ≤3W 2.5" wireless night vision digital baby monitor two way speaker