12v switch 5V buck tachograph dedicated line modification for Car DVR GPS Navigator

Availability: In stock
SKU: #5505
¥558
¥372
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Description:
Charging function:This product is universal mini USB interface,you can have the same interfaces to
the electrical charging voltage is 5V,current is 1.5A,do not use high-power electrical.
Cable length:3.5M
Fitment:Most Car DVR and GPS

Note:
When the installation is based on the red positive black negative mounting energized through a battery installed upside down buck module will burn out.

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