Portable Narcotics Trace Detector Dp300

We are offering portable narcotics trace detector dp300 with professional portable narcotics trace detector dp300 factory, shenzhen defense plus technology co.,ltd is a leading china portable narcotics trace detector dp300 manufacturer and supplier. Welcome to wholesale products from us. Quick details place of origin: guangdong, china (mainland) brand name: defense plus model number: dp300 usage: trace detection warranty: 1 year high sensitivity: detecting 100 nanogram black powder identify speed: < 8 seconds warm-up time: < 20 minutes databases: open to user