... Designed Vari-focal IR Camera CCTV Security Cameras(CE, FCC, RoHS) Product picturesSpecification MVT-R7151T1/3" Sony CCD,420TVL,with 4-9mm vari-focal Lens,35pcs ... built-inMVT-R7161Z1/3" Sharp CCD,600TVL,with 4-9mm vari-focal Lens,35pcs×Φ5 IR leds,30m IR Distance,3-Axis bracket ... built-inMVT-R7157Z1/3 sony CCD,600TVL,with 4-9mm vari-focal Lens,35pcs×Φ5 IR leds,30m IR Distance,3-Axis bracket ...