Model No. YDDLJ working Voltage : 21V Battery : 2ah x2  Max Power :1280W  max cutting diameter : 20 CM Guide Bar: 8'/10' N.W : 2.2kgs

Model No. YDDLJ-2 working Voltage : 42V Battery : 3ah/6ah/12ah/20ah Max Power :3800W max cutting diameter : 45 CM Guide Bar: 15" N.W : 3.5kgs