Wahl Professional Sterling Mag Trimmer 8779Wahl Sterling Mag Cordless Trimmer 8779 The Sterling Mag Trimmer gives you the convenient feature of both cord and cordless use and is powered by a lithium ion battery for a 2 hour run time. The snap on blades provide high precision accuracy for a clean line and cut and are easy to clean and maintain. Made in the U. S. A., this lightweight rechargeable trimmer is a stylists dream! Lithium Ion Cord cordless trimmer with quick detach blade Up to 2 hours