AUDIO TECHNICA ATW-11/LF Lavalier Wireless System

ATW-T1 Body-Pack Transmitter:RF Output Power: 10 mWSpurious Emissions: In accordance with national regulationsInput Connections: Pin 1: GND Pin 2: INST Pin 3: Mic Pin 4: DC Bias +10VBatteries (not included): Two 1.5V AA alkalineBatteries: 10 hours, depending on battery type and usage patternDimensions: 66 mm x 98 mm x 22 mm (W x H x D)Weight: 71 g without batteries