omnitronic uhf e flex handheld microphone 559 575 mhzDynamic hand held microphone with UHF pilot tone technology (PLL) Quick pairing at the touch of a button Receiver automatically adopts frequency setting 16 channels selectable Polar pattern: Cardioid Operating range up to 30m with line of sight 4 digit 7 segment LED display Scope of delivery 1 x transmitter 1 x user manual 1 x declaration of conformity Type: Hand held transmitter Power supply: 3V DC Capsule type: Dynamic Polar pattern: Cardioid