Samson�s Concert 88 Camera is a professional UHF wireless system that brings exceptional audio quality to film and video production. Featuring 16 selectable frequencies for interference-free operation and a camera mountable receiver powered by a removable rechargeable battery, the Concert 88 Camera provides reliable performance and efficient setup. For maximum user convenience, the Concert 88 Camera offers 12 hours of battery life from a single rechargeable removable lithium ion battery (two included). A battery level indicator lets you know when its time to swap in the backup. The included external battery charger features a USB input for increased compatibility. With a best-in-class 300' wireless range, the Concert 88 Camera operates within the reliable UHF frequency band. This avoids interference from wireless routers and other handheld devices. The system's 16 selectable frequency options allow for multi-location shoots, while tone key signal threshold and selectable Squelch settings provide aggressive interference protection. Audio reaches the CR88V Micro Wireless Receiver receiver via the CH88 Handheld Transmitter or the CB88 Beltpack Transmitter. The CH88 features Samson's Q8 Professional Dynamic Microphone capsule, while the CB88 includes Samson's LM10 Omnidirectional Lavalier Microphone. Each offering eight hours of battery life using two AA batteries (not included),the CH88 and CB88 transmitters feature a variable Gain control, as well as a popless 1-touch Mute button. The CB88 also offers a metal belt clip.