Dear Sir Madam, Product name:portable explosive detector Alarm:Audio Visual alarm Preheating time:>15 minutes Analysis time:4-10 seconds Net Weight:4.6kg(including battery 1.4kg) Dimension:435*133*210mm Power:AC 220V or Battery Customized Logo:Accept OEM:YES Certificate:ISO9001,ISO4001,OHSAS18001,QS,CE