Material:aluminum alloy, 304 stainless steel lock rod Product Name:HHD E-seal/GPS Lock/RF Lock Suitable for:Logistic,valued asset monitoring & management Type:GPS Intelligent Lock Unlock way:NFC,SMS, GPRS Remote control, RF card Certification:CE FCC ROHS Size:99mm*75mm*41mm Function:Intelligent Monitoring Management Usage:Logistic/Vehicle/trailer/container Application:Logistic cargo transportation Show More