Panasonic EY45A1LS1G Cordless Reciprocating Saw Kit with Dual Voltage Technology Includes 1-4.2Ah Lithium Ion Battery, Charger and Carrying Case 4.2Ah Li-ion Battery Dual Voltage Technology - 14.4V / 18V Water and Dust Resistance High Power (1,370 in.lbs.) Easy blade replacement and safety switch lock lever