PG30TQG Headset Condenser Microphone- Comfortable wirefrsme for secure fit - Smooth, natural frequency response comparable to quality handheld microphones - Reliable at temperature and humidity extremesPG2 Handheld Transmitter- Power, mute and battery status LED - Power and mute switch - 9V battery (included) provides 8 hours of battery life - 75m (250 ft.) operating rangePG88 Dual Receiver- Internal Antenna Diversity - Dual receiver with up to 10 selectable channels per side - 4 compatible dual receivers - 1/4"" and XLR outputPG1 Bodypack Transmitter- Power, mute and battery status LED - Power and mute switch - 9V battery (included) provides 8 hours of battery life - 75m (250 ft.) operating range FEATURES:[ Working Range: 75m (250 ft.) Note: actual range depends on RF signal absorption, reflection, and interference.[ Audio Channel Response: Minimum: 45 Hz., Maximum: 15 kHz (overall system channel depends on microphone element).[ Total Harmonic Distortion: 0.5%, typical[ Ref. +/– 33 kHz deviation, 1 kHz tone[ Dynamic Range: >100 dB A-weighted, typical[ Operating Temperature Range: –18°C (0°F) to +57°C (+135°F)[ Note: battery characteristics may limit this range[ Transmitter Audio Polarity: Positive pressure on microphone diaphragm (or positive voltage to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low impedance output) and the tip of the high impedance 1/4-inch output.[ Audio Input Level: –10 dBV maximum at "mic" gain position+10 dBV maximum at 0dB gain position+20 dBV maximum at –10dB gain position[ Gain Adjustment Range: 30 dB[ Input Impedance: 1mO[ RF Transmitter Output: 10 mW typical (dependent on applicable country regulations)[ Dimensions: 110 mm H x 64 mm W x 21 mm D (4.3 x 2.5 x 0.8 in.)[ Weight: 75 grams (2.6 oz.) without battery[ Power Requirements: One 9V alkaline or rechargeable battery[ Battery Life: >8 hours (alkaline) ";