1.Baby Monitor Wireless Digital Signal 2.2.5"LCD color monitor 3. 4-Channel available 4.Sound activated 5.Fast delivery Hot Spot:1. 2.4GHz wireless baby monitor, digital signal transmission, WiFi-friendly coding to assure interference-free digital frequency2. 100% private, no static, no interference3. Full-duplex intercom, can hear and talk with each other4. Voice activated with sleep mode, good ...