The Sennheiser G2 lavalier microphone is a high quality lavalier microphone with 4 frequency presets and 1440 tunable frequencies. This lavalier microphone comes with the EK100G2 receiver which attaches to your camera or audio recorder and the SK100G2 transmitter with the ME2 omni-directional microphone. These are solidly built microphones with a rugged metal design that withstands hard handling.