SHURE SVX188CVL Dual Wireless Lavalier Lapel Microphone Presenter BodyPack SVX188CVL-J9 SVX Wireless Systems deliver the quality of Shure wireless performance for virtually any application. From vocal performance to fitness instruction, presentations to karaoke, SVX Wireless will provide years of reliable use. No other wireless system combines the same level of quality and ease of setup in a single package. Main Features Great audio response Includes SVX88 Dual Diversity Receiver Includes 2x SVX1 Bodypack Transmitters each with CVL Centraverse Lavalier Condenser Microphones Trusted world wide by industry professionals Great for speeches, performers, and presenters Run up to 4 compatible systems simultaneously Durable Construction Up to 75m (LOS) operating Range Specifications Product Type Dual Wireless: Lavalier Microphone Transmission Frequency: (J9) 558 - 570MHz Frequency Response: 50Hz - 20kHz Batteries: 2 x AA Alkaline(each body pack) Battery Life: Up to 10Hrs (battery dependent) Power Supply (receiver): 12 to 18 V DC @ 220 mA Dimensions: (Bodypack) 108 (H) X 64 (W) X 19 mm (D) (Receiver) 32 x 168 x 102.5mm Weight: (Bodypack) 90g (without batteries) (Receiver) 245g