2. frequency regulation: infrared to frequency

3. display: liquid crystal display

4. infrared to frequency channel number: 200

5. shock mode: PLL frequency synthesis

6. frequency stability: ±10ppm

7. receiving mode: superheterodyne, two frequency conversion

8. receiver sensitivity: -90dBm

9. audio frequency response: 40Hz~20KHz

10. harmonic distortion: ≤0.5%

11. signal to noise ratio:≥110dB

12. transmit power: 10mW (maximum 50mW)

13. modulation: FM FM

14. battery specifications: 2 section 5 batteries

15. operating range: ideal environment 100 meters