Features: Adaptors for 66 Block check, F-RJ-45, F-RJ-11, alligator clips, RCA (male/female), F71, F81 and BNC (male/female) Bicolored LED lamp-red indicates a short or device in-line, green indicates a 75ohm or 50ohm termination Improved audible tone Main body connector provides a secure connection for the various adaptors Includes the above adaptors, carrying case, battery and owners manual