1. download speed for free user and non register?
Free users and guest users, 200-250KB/sec (around 1.6mbps/sec)
2. downloadable size?
Up to 1GB , 1GB+ need premium.
3. u allow traffic peruser or download xx files perday?
There is a limit or 45 minutes between each downloads (to limit parallel downloads) and 2 files (whatever size up to 1GB) per 24 hours.
4. any delete earning or not?
You mean? If we get 10000 dmca complaints per day about your account, there is a small chance we will delete your account as any file hoster would ... Beside that , why would one file hoster remove your earning ?