As much as you would trust a crook

there are already well established brands, in well established ecommerce platforms.

Just get these brands or models will do the job

Just go for the 2 most popular budget and mid range brands here if you are unfamiliar with dashcam. 70Mai and DDpai.

You can't go wrong with the price vs feature vs value for money with these 2 dashcam. Their dashcam are well proven with good pricing and many reviews.

There are more premium pricier brands but unless you have very specific high expectation for the dashcam features and quality, these 2 are considered well established top of range low and mid budget dashcam that can fit MOST ppl budget and expectations with many use cases liao.