Digital wireless lavalier / vocal Kombiset included: (1) digital 1-channel receiver EW-D EM 19 ½ inches, (1) digital pocket transmitter EW-D SK (1) new lapel ME2 (omnidirectional, capacitor) (1) digital transmitter EW-D SKM with mute switch (1) microphone module MMD 835, (1) microphone clamp MZQ1 (1), NT 12-5 CW plus power supply with country-specific adapters (1) rack mounting set and AA batteries, reception frequency range (520-576 MHz)