Compact digital wireless system, which consists of a camera receiver ATW-R1700 and a handheld dynamic transmitter / microphone ATW-T1002, ideal especially for motion recording or multimedia journalism. All devices are synchronized and have three levels of diversity - time, motion and frequency. The handheld microphone, which is also a transmitter, is completely free of interference from the TV signal with a frequency range of 2.4 GHz. The power source for the transmitter is two AA batteries (not included in the package), for the receiver it is a built-in 3.7 V Li-on battery, whose charging time is 4.5 hours and lasts up to 12 hours.