... , trucks, moving equipments, transportations, etc.1.Product Packing List:2.How to install SIM CARD:This tracker is suit for 12V and ... the tracker.3.How to powen on/off:3.1)Switching the power switch on one side of the main box to “ON” position will power ... Power Saving: This tracker using ACC/ON signal to control uploading and GPS ON/OFF, when the ACC/ON signal is active, the tracker ...