... : 4CH In /1CH OutCamera4PCS DIDDID42L4PCS DID42L(Color 1/3" Sharp CCD,420TVL,Vandalproof IR Dome Camera,24 pcs 5mm IR-LED,3.6 ... mm Lens,IR Distance 20M)DID424PCS DID42(Color 1/3" Sony CCD,420TVL,Vandalproof IR Dome Camera,24 pcs 5mm IR-LED,3 ... mm Lens,IR Distance 20M)DID544PCS DID54(Color 1/3" Sony CCD,540TVL,Vandalproof IR Dome Camera,24 pcs 5mm IR-LED,3 ...