GPS Navigator External Portable

Product information :
Material: ABS
Type: External Portable Navigator
Applicable models: all
Screen size: 7 (inch)
Power supply voltage: 220 (V)
Resolution : 800×480
Receiver : GM
Positioning accuracy: 2 (m)
Tracking sensitivity: 1 (dBm)
GPS activation time : 3
GSm frequency : 2
Differential Accuracy : 2
Storage: 4G
Time Accuracy :4
Refresh rate : 1
System communication distance: 1
Operating system: Windows

Packing list:
Navigator*1