| item | value | 
| Warranty | 2 years | 
| Type | 100m underground water detection device | 
| Certification | ISO9001 | 
| Customized support | OEM, LOGO, Packaging | 
| Place of Origin | China | 
| Brand Name | PQWT | 
| Model Number | PQWT M100/M200/M400 | 
| Product name | PQWT M100 Underground shell water detection portable device | 
| Application |  			 Underground Water Detection  			 |  		
| Usage | Water well finder, borehole drilling | 
| Power supply | Rechargeable Lithium Battery | 
| Detection type | Electromagnetic | 
| Display | LCD Touch Screen | 
| Frequency | 30 frequency | 
| Channel | 4 channels | 
| Measurement Range | 0mV-1000mV, the instrument automatically converts the range. | 
| Working temperature |  			 -20°C ~ +50°C  |  		










