DH-744 MAX Professional Wireless Microphone

Frequency: VHF 220-270MHz
Frequency stability: 90db
Frequency response: 40Hz-18KHz
Audio output: 0~400mV
Mic Transmitter
Transmitter power: 10mV
Battery: AA battery(not included)
Continuous using: 6h
Receiver
Power voltage: 12V
Power consumption: 1W
S/N R: >80db
Sensitivity: 12dbu(S/N=20db)

Specifications:
Model:HD-744
Plug type: US,
Material: metal
Receiver Size: 380x120x37mm
Receiver color: black
Microphone color: black