CamView 7 Camera Tester with 2.4G Spectrum Analyzer Testing Functions PTZ Control Test Video Transmission Display Size 7 in For Use With CCTV Cables Coax Cable Coax Camera Cables Network HD Video Surveillance Systems PoE PTZ Control Test Security Cameras Input Type BNC HDMI RJ45 RS485 Display Screen Type LCD Touchscreen Auto Power Off Yes Battery Chemistry Lithium Battery Size 7.6V Color Black Red Compatible Camera Systems AHD CVI TVI NTSC/PAL