Features of the BUH523RF 18v Hedge Trimmer: Lithium-ion battery, lighter weight, quicker charging and with more run time than an equal voltage Ni-Cad or Ni-MH battery. Rubberized soft grip provides comfortable and sure grip. Stain-free shear blade surface of glittering silver obtained by non-electrolyzed nickel plating that features high anti-abrasion surface for long lasting coating. Anti-vibration structure consisting of Motor-crank section and handle section linked by 5 cushions to absorb vibration from blade and motor-crank section. User-replaceable blade The blade can be removed without disassembling housing. Battery capacity warning lamp Blinking red; Battery power has been nearly used up. Solid red; Battery power has been used up (Battery protector will shut off the power.)