Monacor TXA-800HSE, Pocket Transmitter, Suitable for Monacor PAS-254D, With lavalier (cardioid) and headset microphone (omnidirectional), 3-Pin mini XLR connector, LCD display for channel/frequency and charging status, Sensitivity adjustable in 3 steps, 16 Adjustable frequencies (863.1 - 864.9 MHz), Frequency response: 70 - 16000 Hz, Mute function, Transmitting power: 10 mW, Power supply via 2x 1.5V AA batteries (not included), Dimensions (W x H x D): 65 x 95 x 30 mm, Weight: 0.110 kg