Item Type: Wireless Baby Monitor Material: ABS Gross Weight: 700g / 24.7oz Transmission Mode: wireless point to point transmission (short range transmission) Camera Resolution: 640 x 480p Transmission Distance: viewing distance is about 150 meters Intercom Mode: two way intercom Music: built in music with adjustable volume Night Vision: infrared vision of about 5m Screen Size: 4.3 inch HD LCD Detection Mode: voice control power saving mode Battery: built in lithium battery, capacity 2100mAh (display only) (shipped with built in battery) Detection: indoor temperature display Language: multilingual Function: regular reminder Function: horizontal rotation 355 degrees, vertical rotation 120 degrees Plug Voltage: 100-240V Package List 1 x Monitor 1 x Camera 2 x Power Adapter 1 x Instruction 1 x Expansion Pipe 1 x Screw 1Infrared Night Vision Sensing: 4.3in HD LCD screen, infrared distance 5m, IR CUT automatic switching, day and night monitoring. 2Two Way Intercom: This baby monitor has a built in microphone and speaker, so you can talk to your baby from afar without running back. 3Playing Lullaby: This monitor has built in music, which can play lullaby to soothe the baby to sleep, the volume is adjustable. 4Indoor Temperature Monitoring: The monitor is equipped with temperature display, and can switch between Celsius and Fahrenheit, it can monitor the baby's room temperature every day. 5Wireless Point to Point Transmission: Digital signal transmission, stable without interference, digital signal encryption transmission, good security.