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Specific parameters:
1) Monitoring area: 80 to 1600 square meters
2) Frequency Response: 200Hz ~ 10kHz
3) Sensitivity:-60dB
4) Output impedance: 600 - 1000 ohms unbalanced
5) voltage: DC 3.3V-6V
6) Operating Current: 2mA
7) Dimensions: L = 14mm; D = 4.2mm
8) weight: 0.2G
Package:
1 * mini camera