✿✿ 2X or 4X Zoom In, 720P Monitor: Get a clear, quality picture with the 5'' HD LCD screen and 720p camera, Dr.meter portable monitor with the 2X or 4X zoom in function, which will enable you to see every detail. Connected via a seamless 2.4GHz FHSS wireless transmission, you can view the secure video feed within 1000ft/300m (in open areas without obstruction) and even remotely rotate the camera 355° horizontally and 120° vertically to take it all in..✿✿ Two Way Intercom & Soothing Lullabies: Keep baby soothed and satisfied with the audio features of this video monitoring system, which is equipped with a 2-way intercom system that enables you to talk to your child even if you're not in the room. There are also 5 built-in lullabies that you can play to soothe baby back to sleep using the built-in speaker..✿✿ 4 Camera Capability & Long-Lasting Battery: If you'd like to use more than the 2 included cameras in this set, you can connect up to 4 simultaneously to keep tabs on multiple children. Just press the CAM button to switch between video feeds. The 2100mAh rechargeable battery can provide up to 10 hrs of continuous use per full charge (make sure to fully charge it before the first use). Please note the camera needs to be connected to power when it's in use..✿✿ Invisible IR Night Vision and Vox Mode: You want to be able to check on your baby even when they're sleeping, right? Now you can do that without disturbing them, as this baby security camera uses a 940nm infrared light to see up to 16ft/5m with a crisp black and white image. The light can't be seen with the naked eye 3ft/1m away so that your baby will sleep soundly. Under the Vox mode, the screen will automatically turn on if the baby make a noise..✿✿ Temperature & Sound Alarm: Stay on top of things with the helpful alert system, which emits a beeping sound and a flashing indicator light to let you know if the temperature falls outside of the range of 15°C~29°C(54°F~84°F)or if your baby speaks or is crying. Adjust the audio sensitivity to OFF, LOW(>80db), MEDIUM(>70db) and HIGH(>65db), and press the SHORT-CUT button to adjust the video volume and brightness.