Features: 
● 1/2.5inch Megapixel CMOS sensor 
● Dual stream transmission, 720P+CIF, MPEG4 
● 30pcs 8 LED, IR distance:30-40M 
● Min LUX is 0 LUX (IR opens) 
● Motion detection, linkage alarm, linkage record 
● Supports two ways voice talking, center call 
● TF card storage and USB back up