3.2″ LCD DISPLAY & 2.4GHz WIRELESS TECHNOLOGY: This video baby monitor is equiped a 3.2 inch TFT LCD display and connected to the baby camera via enhanced 2.4GHz wireless technology – Using frequency-hopping and digital encryption technology to insure the security and reliability. INFRARED NIGHT VISION & TEMPERATURE MONITORING: Rest assured knowing you can see your baby day and night, including overnight, with automatic night vision. Remote in-room temperature display lets you know your baby is comfortable and safe. TWO-WAY TALKING & 960ft TRANSMISSION RANGE: The monitor covers a transmission range of up to 960 feet (tested in open air).You could play 8 soothing lullaby songs or use the two-way talkback intercom function to comfort your babies. AUTO MUTE & MULTI-TRANSMITTER CAPABILITY: The speaker of the monitor will be turned off when the sound is below 50db more than 7 seconds in the room where the camera placed, and will be activated when noise occured. One monitor can pair with 4 camera, parent can select which camera to monitor or scan the camera one by one.