Model：GT740

1. Power supply: 2 x 9V (6F22)  

2. Frequency: 6.29 KHz               

3.Current: static: 30mA  

The biggest: 70 mA                                 

 4.work way：DIS and PP function                                   

 5 Sensitivity: US 25 cents: 15-18cm         

 6.Display mode: LED display ,sound mode                                                

7.Stretch length: 78-108cm  

8. Search coil: waterproof  26x26cm 

9;color: black or OEM

Inner box：45x26.5x10cm

outside carton box：54x52.5x47cm