This is the original, famed EW-100 UHF wireless microphone set from Sennheiser. Although it's been around the block and back these units work well and are in good condition. There are a few signs of use and remnants of one or two labels that I will try my best to remove. (UPDATE - now removed)
Pictures are of the actual set.
Listing includes:
2 x body pack transmitters
2 x lavalier microphone
2 x diversity receivers
2 x PSU
4 x short antennae
case with foam pack