1. Power supply: 2 x 9V (6F22)  

2. Frequency: 5.0 KHz  

3. Current: static: 10mA  

The biggest: 70 ma  

4. Voltage: 7.2-9.6V  

5 sensitivity: US 25 cents: 130-150mm  

6. Display mode: mechanical pointer mode  

Voice mode

7. Expansion length: 78-108cm  

8. Diameter of search coil : 16x16cm  

9. Color: Black or OEM  

Inner box：40x20.5x10cm

Outside carton：10pcs/ctn， 52.5x42.5x42cm