V2-D2550 Original out looking:

Old product details: http://www.eglobaltech.cn/ViewDetails77.aspx

Update new V2-D2550 out looking:

Update product details: http://www.eglobaltech.cn/ViewDetails122.aspx  

Main changed items:

1.    Dimensions changed to be more smart, only 20*20*3.5mm now, very slim

2.    Add fan inside, make product keep cool during running

3.    Wi-Fi changed build-in, no need dual antenna

4.    Cost changed lower, please contact our sales team to learn more about new price.