1、2.4G Wireless WiFi: Stable without interference, the digital signal transmission travels quickly and smoothly. Through encryption, the digital signal transmission has high security. 2、2 Way Intercom: Built in microphone and speaker, you could use the two way talk back intercom function to comfort your babies whenever you want. 3、Infrared Night Vision: With 5m infrared distance, 3.2in HD LCD screen and IR CUT automatic switching, you are allowed to care your babies in dark and keep an eye on baby all night. 4、Built in Lullabies: Built in lullabies may help the parents comfort the baby fall into sleep. You can also adjust the volume freely as the baby falls asleep. 5、Temperature Monitoring: With temperature display, it can supervise baby's room temperature all day, help to care your baby's health. Celsius and Fahrenheit can be switched. Item Type: Baby Monitor Material: ABS Gross Weight: 442g/15.59oz Night Vision Distance: 5m / 16.4ft Display Features: LCD Size: 3.2 inches Supported Resolution: 240x320 Battery: 400mAh Li polymer battery (shipped with built in battery) Power Supply: 5V DC Camera Features: Image Sensor: CMOS 0.3Mega Minimum Lighting: 0 Lx (when IR light is on) Power Supply: 5V DC 1 x Monitor 1 x Camera 2 x Power Adapter 1 x Instruction Manual