The Spy Gear Pros SWM-2 wireless microphone set includes a transmitter and receiver. If you not only want to listen, but record as well, the receiver can accomodate any one of our digital voice recorders.

Transmitter:

• Frequency: F1 171.105MHz-F2 171.905Mhz
• FM band
• +/-2KHz maximum deviation
• DC 3V power
• Uses 2 AA batteries (not included)
• Power switch
• Channel selector switch
• LED power indicator
• Transmitts up to 100 to 125 feet inside

Receiver:

• Frequency: F1 171.105MHz-F2 171.905Mhz
• Sensitivity of 10dB uV for 20dB S/N
• DC 3V power
• Uses 3 AA (not included)
• Power switch
• Channel selector switch
• LED power on

Size:

3 1/4" x 2 1/2" x 1"