Specification:
1. Power Supply:
B1: 18vdc-2pcs 9V Batteries in series
B2: 9V Battery
2. Operating Frequency: 15KHz +/- 2.2KHz
3. Indicators:
(1). Visual Level Meter
(2). Sound: 2" Speaker or Earphone(Earphone not includer)
4. Functions: Auto-tune, DISC, Battery Test, GND
5. Controls:
OFF/VLF/TR1/TR2 Selector Switch Volume Control, DISC Control, TUNE Control, B1, B2 Battery Test Selector Switch
6. Sensitivity:
16cm for a US(25cent) quarter with meter Indication at min, discrimination
7. Operating Current:
(1). B1(18V) statical: 30mA
(2). Dynamical: 30mA
(3). B2(9V) dynamic: 35mA
8. Operating Voltage:
(1). B1: 12-24.5V
(2). B2: 6-11.5V
9. Three Audio Frequency:
(1). 400Hz +/- 60Hz;
(2). 700Hz +/- 105Hz;
(3). 1500Hz +/- 225Hz.
10. Dimension: 920-1210mm(L)*200mm(W)*185mm(H)
11. Export Packing: 4PCS per Carton 0.12CBM(0.64*0.25*0.75)
12. 20CTNR Loading: 864PCS
13. 40CTNR Loading: 1920PCS
14. Color: Black
15. Delivery time: 10days after the order