... / Video signal generator / DC12V1A Power Output / Audio Input Test / RS485 CCTV TesterPRO 3.5TFT-LCD Monitor / PTZ Controller / Video signal ... displaying video, controlling PTZ, DC12V1A power for camera, Audio input test, generating images, capturing data of RS485 and ... Vp-pPTZ controllerCommunicationRS232, RS422 simplex and RS485PTZ ProtocolCompatible with more than 20 protocols such as PELCO-D/P ...