· VM819-Best-in-class Battery Life and Range - With up to 19 hours of video streaming on a single charge, this system lets you monitor your baby throughout the night easily. During the day, this monitor system's dependable long operation range up to 1,000 feet, lets you go about your day and stays connected with your baby from another room or even from the yard.· VM819- Privacy Guaranteed. No Wi-Fi or App Pairing - Trusted by US families for more than 3 decades, each VTech monitor is transmitted via secured internal 2.4GHz channel with FHSS technology, so you can rest assured that you're the only one who can hear and see your baby.· VM819-2.8" Display Seeing Your Baby in Full Sight Day and Night - The 2.8" display shows your adorable baby's body in full view - no movement is over-sighted. Need more detail? The camera zooms up to 2 times.· BC8113- [No Cords, No Batteries Required] - Power-outlet mounting - plugs directly into a power outlet. No batteries or power cords needed to start it up.· BC8113- [Multi-Color Night Light] - Create a pleasing surrounding by choosing from over 250 colors to personalize and perfect your baby’s sleep environment. The color of light can also be changed by using the one-touch button on top.· BC8113- [Sleep Training Scheduler & Sleep Tips Content from Experts] - VTech Soother app enables you to create sleep routine schedules which control the light, sound and projection features of soother to make your child understand and get habituated to sleeping routines. The app also provides tips from experts.