HIKVISION V5.3.3 4MP International version POE EXIR Network Bullet Camera DS-2CD2T42WD-I8 4mm firmware upgradeable 1/3 Progressive Scan CMOS,up to 4 megapixel resolution 120dB Wide Dynamic Range,3D DNR,IP67 waterproof EXIR high performance LEDs,up to 80 meters IR range 12V DC25% & PoE(802.3af Class3),support H.264+ Support upgrade firmware,if you have any issue,email us