Firmware_V5.6.820_220519 Network Camera V5.6.820 Release Note --G1.pdf Applied to: DS-2CD2125FWD-I(2.8mm)(BLACK) DS-2CD2125FWD-I(4mm)(BLACK) Accessories DS-1250ZJ Water-proof add to compare DS-1258ZJ Wall mount add to compare DS-1259ZJ Inclined ceiling m...