The Condenser Lavalier has a clothing clip for secure placement. Bodypack Transmitter features a power, mute and battery LED, power and mute switch, 9V battery (included) provides 8 hours of battery life. 75m (250ft) operating range. The wireless receiver has up to 10 selectable channels. 8 compatible systems (multiple bands vary per country). 1/4" and XLR output.