I'm personally using asus zenfone max pro m2 and after using few months I can say that it's not worth it phone because there are some brands which will provide you better specifications than this.I will suggest you to look for other brands but if you want to still buy this phone then go for it specs given below.
Here are the specs:
1. CPU: Snapdragon 660 ( under clocked)
2. GPU: Andreno 512
3. Memory: 4GB Ram and 64GB ROM Expandable ( Different variants available)
4. Camera: 12MP+ 5MP Rear | 13MP front
5. Display: 15.9cm ( 6.26inch) FHD+ Display
With gorilla glass 6 protection
6.Battery : 5000mAh