Click to expand Tap to zoom Hanwha Techwin SPC-300 Controller by Hanwha Techwin SKU SPC-300 Get a Quote Features Control via coaxial cable or RS-485 Camera connected : 1 unit Cable extension : Max. 500m (with 5C-2V cable) External control interface : RS-232C, RS-485 Power input : 12V DC adaptor or 4AA battery