Mainboard of LONGER LK4 PRO/LK5 PRO

The latest LONGER LK4 PRO or Alfawise U30 PRO Mainboard.  (Please note that the power contactor has been upgrade for better one and we will provide the power cable as well) 

The firmware download: 

LK4 PRO: https://drive.google.com/open?id=1AlBe8k7FUY9VtomARSi0RPOkf0PvzUwW 

1. Free shipping in the US/EU, shipped in 3 business days
2. PS: Non-US and non-EU regions may incur additional customs duties when shipping, such as the UK and Switzerland
3. Orders may be seperated to ship, learn more about Shipping.