Suzuki Forum - Suzuki Enthusiast Forums - diagnostic tool for my car

hello, everyone, i'm new comer here.

those days, i meet some trouble and need somebody give me some suggestion.

I bought a new suzuki car several months ago; recently it always happen strange voice. i am worried.

so I want to buy a diagnostic tool for my car.

I heard from my friend that Lencoo Electronic Co.,Ltd which is the manufacturer of car electronics own a high reputation about this kind of product.

maybe he bought something from that company ago.

so i get touched with the company

the manager introducedAD-1 SCANNER to me

I have no idea about it,

i can not quite understand the tool manual

i dare that it will not work on my car.

so I hope you can give me some suggestion.

Buy or not? Here is the link for the products.

Thanks very much