5 PCS Monitor Intercom Universal Pickup Examination Room Vehicle Sound Collector Voice Recognizer

1. Weight: 90g 2. Size: 3.8 x 3 x 1.7cm 3. Current consumption: 30mA 4. Working voltage: DC 9-12V 5. Monitoring range: 5-50 square meters 6. Output impedance: 700-1000Ohm 7. Frequency range: 200Hz-10KHz 8. Frequency response: 2.5dB