DESIGNED TO DOCK DIRECTLY TO DXC-537 CAMERA TO MAKE THE PVW-537 CAMCORDER; 30 MIN RECORDING TIME USING S-SIZECASSETTES (METAL PARTICLE TAPE ONLY); 2 AUDIO CHANNELS W/DOLBY C-TYPE NR SYS LUMINANCE OR CTDM VIEWFINDER PLAYBACK; BUILT-INLTC/VITC/USER BITS GENERATOR & LTC READER W/EXTERNAL TIME CODE LOCK CAPABILITY; 8-DIGIT DISPLAY; BUILT-IN LOUDSPEAKER; DIGITAL HOURS METER; BUILT-IN SELF-DIAGNOSTICS W/CHARACTER DISPLAY ON TV MONITOR