Type:Two Way Function:GPS / GSM Voltage:DC 12V Frequency (MHz):other Control Distance:60-90cm Warranty:2 Years world patent:20102044149.4 Voltage:12v 24v Materia:ABS Warranty:2 years Feature 1:connect GPS(VAL-Automatic Vehicle Location system) Feature 2:collect signal Principle:infrared detect G.W:0.6KG produce service:sole agent Show More