Item Type: Baby Monitor Material: ABS Weight: Approx. 472g/16.65oz Item No.: SM32 Color: White Frequency: 2.4GHz digital Transmission Mode: Wireless point to point transmission (short range transmission) Transmission Distance: Sight distance about 200 meters Intercom Mode: Two way intercom Night Vision: Infrared vision of about 5 meters Screen Size: 3.2 inch LCD display Detection Mode: Voice activated power saving mode Battery: Built in lithium battery, capacity 950mAh (display only) (shipped with built in battery) Detection: Indoor temperature display Language: Multi language Voltage: 100-240V Package List 1 x Monitor 1 x Camera 2 x Power Adapter 1 x Instruction Manual 1 x Expansion Pipe 1 x Screw 1Infrared 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. 2Two Way Talk: With built in microphone and speaker and two way talk function. You can talk to your baby from a distance without having to run back. 3Music Play: Built in 3 minutes of chordal music can help you soothe your baby to sleep. The volume is adjustable. You can adjust the volume freely as the baby falls asleep. 4Indoor Temperature Monitoring: Monitor shows the indoor temperature. It can supervise baby's room temperature all day. Celsius and Fahrenheit can be switched. 5Wireless Transmission: Without interference, the digital signal transmission travels quickly and stable. Through encryption, the digital signal transmission has good security.