MD3010 metal detector

LCD Displaying
Battery: 2*9V
Operating current: STANDBY<=18mA; MAX<=50mA
Operating voltage range: 7-9.6v
Operating frequency: 5.5KHz
Sensitivity: Min. 23cm(Test Coin: US25 cent)
AUDIO REEQUENCY: 500HZ
Units SIZE: 130mm(L)*150mm(W)*95mm(H)
NET WEIGHT: 1.37kg
Packing: 4(pcs) /Ct n
Carton size(cm): 54.5*35.5*19
G/N Weight(kgs): 11.00/10.00
Carton size(cm): 64*57*39
Qty per 20' container(pcs): 800
Color: Black or grass green