VARI-FOCAL IR CAMERA - Resolution =420/480/520/540TVL - 36pcs 5mm IR LED - 4-9mm/9-22mm/15-55mm varifocal lens available - Vandal resistant, water resistant (IP66) - Minimum illumination = 0.1 Lux - Double glasses to reduce IR disturbance IR auto-open by CDS control in low LUX -Weight: 1.6kilogram.