VEVOR Sewer Camera, 165 ft/50 m, 7" Screen Pipeline Inspection Camera with DVR Function, Waterproof IP68 Camera, 12pcs Adjustable LED, with a 16 GB SD Card for Sewer Line, Duct Drain Pipe Plumbing

The device does not have a positioning function, does not have a 512Hz frequency, and cannot use a positioning receiver.

Dear Customer, Thanks for your inquiry. No, your device does not have a positioning function.

Yes, it does adjust for dark pipes. The product description states that it has 12 adjustable LED lights with 3 adjustable brightness levels to suit varying lighting conditions in dark pipes.

According to the product information, the sewer camera comes with a 4500mAh rechargeable lithium battery that provides 6-8 hours of continuous use.

The product description states it supports video recording and comes with a 16GB SD card. Customers consistently mention the recording function is convenient in their reviews.