Electret condenser podium microphone with cardioid response.Full shielding for rejection of hum and feedback.Mounting flange with mechanical isolation.Security lock to deter unauthorized removal.9-52 Volt phantom power.Includes windscreen and mounting bracket.Dimensions (HxWxD): 19.125" (486 mm) x 2.5" (64 mm) x 2.5" (64 mm)Weight: 0.467 lbs (0.22 kg)