Comes with the EX-503 electret condenser omni-directional lavalier microphone. This is the standard 2-channel switchable (169.445MHz and 170.245MHz) bodypack transmitter for all "PRO" series receviers. Uses a single 9V alkaline battery and comes with a belt-clip.

• Modulation system: FM
• Sensitivity: 94dB SPL @ +/- 2.5KHz deviation
• Battery: 1-9V
• Power consumption: 30mA
• Dimensions: 86(h) x 60(w) x 21.5(d)mm (3.3 x 2.4 x 0.85")
• Weight: 3.4 oz.

Shipping weight 1 lb.