Item Type: Baby Monitor Material: ABS, PC, Electronic Components Display: 4.3 Inches Camera Resolution: 1280 x 720p Transmission Distance: Approx. 300m / 328.1yd(Open Space) Display Battery: 3.7V Lithium Battery (Shipped with Built in Battery) Display Capacity: 2300mAh Support Functions: Temperature Alarm, Crying Alarm, Lullaby (8 Songs), Feeding Reminder, Night Mode (Automatic Adjustment) Package List 1 x Baby Monitor 1 x Remote Display Control 1 x User Manual 2 x Power Adapter 1 x Card Pin 1[Voice Control Mode] When there is no sound, the main unit screen is black. When the baby starts crying, the screen will automatically light up, and it also with 8 lullabies. 2[Automatic Stitch] The automatic light sensor can accurately detect light conditions and automatically switch between day and night modes. Visibility up to 15 feet at night. 3[Multifunctional Use] The camera is equipped with temperature monitoring and humidity detection functions to let you know whether your baby is comfortable and safe. 4[Two Way Audios] The high definition clear two way audios function makes both ends of the call clear, as if you and your child are in the same room, gives you a good using experience. 5[Safe Reliable] Application of frequency hopping and digital encryption technology to ensure safe and reliable connection. The portable parent device can be carried with you.