... Certificate,MOQ:5pcs Specifications:IR Dome Camera--TS121Detail:Metal shell,double glasses lens, Avoid reflection18PCS Φ5 Taiwan Tyntek-chip LED 3.6mm-16mm Lens ... ,Auto back light compensationUnder 5Lux with IR LEDs on3.6mm single board ... of signal PAL/NTSCHorizontal resolution 420TVLMinimum illumination 0Lux/F1.2(IR ON)Lens 3.6mm/6mm/8mm/12mm/16mm(Optional) ...