Features:
1) Voltage: 12V
2) Total current: 80mA
3) Working temperature: 70
4) The current of main unit will change with different U-discs
and MP3 players
5) Horizontal distance of transmitter: 35m
6) Frequency: 88-108 MHz
7) Channel of transmitter: 7
8) Channel separation: 40dB
9) Audio frequency response (input): 20-2000 MHz