The CAD Audio WX1000HH is a frequency-agile UHF wireless handheld system which operates in the 510–570mHz frequency band and features 100 channels for optimum clarity of signal. Auto-scan and IR sync functions make setup and channel changing a breeze. Enjoy up to 12 hours of runtime using two AA batteries, with a battery level indicator on both the transmitter and receiver, so you’ll know when you need to replace them. All-metal construction and included rackmounting hardware help ensure your equipment will stand up to even the toughest conditions.