Kingslim's D4 dash cam system is unusual in that it leverages a backup cam (with assist if installed for it) for its rear view. It sports all the usual features, but captures are mediocre at best.
Kingslim D4 4K Dash Cam Built in WiFi/GPS with Mini
Kingslim D4 4K Dash Cam Built in WiFi/GPS with Mini
KINGSLIM D4 Dual Dash Cam - Demo Footage & Review
Kingslim D4 4K Dash Cam Built in WiFi/GPS with Mini
Kingslim D4 dash cam review: 4K front with backup assist, weak
No Phone Needed: Kingslim D4 Dash Cam Review
Kingslim D4 4K Dual Dash Cam with Built-in WiFi GPS
No Phone Needed: Kingslim D4 Dash Cam Review
Kingslim D4 Dual Dash Cam Review: Full Cover
Kingslim D4 Review: Slim Shooty In 4K
Kingslim D4 Review: Slim Shooty In 4K
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Kingslim D4 4K Dual Dash Cam
XL5 : 8K front with backup assist, weak captures! - Game News 24