18-volt high-power motor and battery system            No load speed: 1400 rpm                  Battery: 1700mA.h, Ni-Cd.        Cutting length250mm    Speed: 2.9m/s                    ChargingTime:10Hours                                                                                Running time: 20mins       Trilink bar and saw               ABS material SHELL  Packing:each one in color box, 4 pcs in one carton CTN SIZE:63 x 41 x 42CM/4PCS G.W./N.W:17/16KGS 20"/40"/40"HQ:960/2080/2440PCS CE/GS/EMC approved Other models are available pls feel free to know more for details on our website:www.nbeastpower.com