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Specification: 1. Power Supply: 9VDC-6pcs AA size 1.5V Batteries 2. Operate Frequency: 22KHz +/- 2.2KHz 3. Operating Current: 45Ma max at max volume 4. Control: Volume Control, Disc Control, Tune Control, Battery Test Selector Switch 5. Operate Voltage: 6.5-12V 6. Indicator Visual: Level meter 7. Indicator Sound: 2 Speaker or Earphone (Earphone not includer) 8. Sensitivity: 10cm for a US(25cent) quarter with meter Indication at min, discrimination 9. Dimension: 670-900mm(L)*183mm(W)*118mm(H) 10. Battery Test Range for Green Bar: 7-12V 11. Export Packing: 5PCS per Carton 0.09 CBM(0.62*0.20*0.70M) 12. 20CTNR Loading: 1440PCS 13. Color: Black
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