HM-SDZ1 Inner Adjustable Vari-Focal and Waterproofing( IP-68) IR Dome Camera 1.1/ 3" Sony Super HAD color CCD sensor / Next Chip DSP 2.580TV lines 3.Lens: 4, ~ 9mm( 9~ 22mm option) 4.Waterproofing inner Zoom and Focus Adjustment 5.For day and night 6.With separated dual-glasses( split glasses tech prevents light reflection) 7.IP-68, ISO9001, CE, FCC and RoHS certified