Hikvision OTBL 8MP 4mm 24Hr*7 color SL DS-2CD2T87G2-LSU/SL 4mmHigh quality imaging with 8 MP resolution Efficient H. 265+ compression technology Clear imaging against strong backlight due to 130 dB WDR technology Focus on human and vehicle targets classification based on deep learning 24 7 colorful imaging Active strobe light and audio alarm to warn intruders off Provide real time security via built in two way audio 1 1. 2" Progressive Scan CMOS; H. 265+ H. 265 H. 264+ H. 264 MJPEG; Color: 0. 0005 lux @(F1. 0,