Our WE-ZYW05 is a non-contact explosive inspector based on nuclear quadrupole resonance theory to detect nonmetallic explosive and drug. Technical specification: Product size 500x90x50mm Detection range 500mm Detection of explosive species: All plastic explosives such as RDX、TNT、Octagon(HMX),and drugs. Minimum detection dose 30-40 g (for RDX) Detection probability 95% Probability of false alarm 5% Net Weight 550 g Power supply Li battery (with charger) Operation temperature range -4F~140F（-20~60℃）