1) Battery: 2~9V
2) Operating Current: Standby <=18mA; MAX<=50Ma
3) Operating Voltage Range: 7 ~ 9.6v
4) Operating Frequency: 5.5KHz
5) Sensitivity: Min. 23cm (Test Coin: US25 cent)
6) Audio Frequency: 500HZ
7) Unit Size: 130mm * 150mm * 95mm (L * W * H)
8) Net Weight: 1.37kg
9) Packing: 4(pcs) /Ctn
10) Carton Size(cm): 54.5 *35.5 *19
11) Gross /Net Weight(kgs): 11.00/10.00
12) Carton Size(cm): 64 *57 *39
13) Qty per 20' Container(pcs) Color: 800 Black or Grass Green