This is an affordable video monitor set that allows you to see and hear your baby day and night on a large screen or with the extra audio unit. Its stylish aesthetics fit with today's home décor. The large, 5" black and white picture display comes with night vision. The second audio only parent unit comes with rechargeable batteries. This large, 5" black and white picture display with night vision second audio only parent unit included with rechargeable batteries900 MHz technology for superior clarity and 350' range video on and off button for nighttime convenience and LED sound lights to see and hear baby's every sound. This comes with two channel selection to minimize interference.