Bernina L890, The Revolutionary Overlocker / Coverstitch Combo Machine 100% Designed, Engineered and Made by Bernina.
It has taken Bernina 10yesars to develop this Cutting-Edge technology to make our Sewing Experience Fun.
The Bernina L890 Air Threader is perfectly suited for working with all types of fabric, particularly highly elastic and knitted materials and threads.
Bernina L890, as a Combo Machine, offers three different functions: Overlock Stitches,  Coverstitch and Chain Stitches and 4-Thread or 5-Thread Combo Stitches.
Most Amazing feature is when you select a stitch, Bernina L890 will Automatically set all the tensions for that stitch!
Bernina L890 comes with an abundance of features which really needed to be experienced!
Bernina L890:

• One- Step Air Threading - change Looper threads quickly and easily 
• Automatic Thread Tension which also allows for fine adjustments 
• Colour-coded One-path Threading enables you to easily switch from an Overlocker Stitch to a Coverstitch or to a Combo Stitch 
• Colour Touch Screen- All the information at your fingertips 
• Guided Mode- with helpful Step by Step mini tutorials on how to physically set the machine up for a particular stitch
• Expert Mode- takes you directly to the stitch when machine is already set up.
• Differential Feed to prevent knit fabric from stretching
• Free Arm for sleeves, cuffs and hems
• Extension Table to support your projects 
• Seam Allowance Guide
• Needle Up/Down - Needle can be either finish Up or Down just like your sewing machine
• Easy to switch between Overlocking and Coverstitch 
• LED Lights
•  Memory Folder to save your altered stitches for particular fabrics

      As Mentioned this truely Revolutionary Machine comes with soo many features that need to be experienced.