HM-S528 IR Dome camera 1.1/ 3" Sony Super HAD color CCD sensor / Next Chip DSP 2.450TV lines/ 560TV lines 3.Lens: 4, 6, 8mm( 12mm option) 4.With 21 LED( detection distance 15~ 20 meters when IR on) 5.For day and night 6 With separated dual-glasses( split glasses tech prevents light reflection) 7.ISO9001, CE, FCC, REACH and RoHS certified