Parent unit  Mars 9731
•Screen Size: Full color 2.8inch TFT LCD
•Resolution: 240*320
•Built in 2600mAh battery working time over 12Hrs with Video 
•Volume LED indicator
•Power Requirement: DC 5V 1.5A
•Other Special Feature: support up to 4 cameras
baby camera  •CPU: Mars 9731
•Image Sensor: 1 / 3'' color CMOS GC0308 image sensor
•IR LED Type: 8 pieces IR LED / 940nm
•Night Vision Distance: 2m
•Power Supply: DC 5V 1A
Pair button 
Switch: Button power on/off
Reset function
speaker:8Ω/1W   X1
Voice input
Other Features:External WIFI antenna
built in with temperature digital sensor 
•Other special Feature: Two way speaker;  temperature detection, high/low temp alarm