DIGITAL ENCRYPTION TECHNOLOGY: Video baby monitor utilizes 2.4GHz FHSS and digital encryption technology, low latency, no Wifi, no apps, so you don't have to worry about the risk of hacking, and has a transmission range of up to 1,000ft. REAL TIME TEMPERATURE MONITORING: Equipped with 7 infrared LEDs, you can instantly adjust the most comfortable environment for your baby (cold or hot) by displaying the room temperature in real time. Ideal for use with your baby in the car. TWO WAY TALK: Baby nursery camera supports two way talking with camera and sound, has volume settings, and at maximum volume, even sleeping parents can be alerted. FUNCTION: Room temperature monitoring and alerts, night vision, 8 lullabies, sound level LED indicators, sound only power saving mode, desktop or wall mounting options, multi camera expandability. PLUG AND PLAY: Smart baby monitor is plug and play, easy to use and completely covers your entire home. After placing the camera, you can leave the room to read, work, do housework, do indoor yoga or cook, etc.