Panasonic EYC190LE 14.4-Volt IP56 Li-ion Impact Driver Combo Kit IP56 - Dust and Water Resistant Drill Driver 390 in.lbs Impact driver delivers 1,330 in.lbs of power with 3 speeds, and a brushless motor for 25% longer life. Hard Mode: 1,330in.lbs / 0-2,300rpm / 0-3,000ipm. Medium Mode: 665in.lbs / 0- 1,400rpm / 0-2,800ipm. Soft Mode: 240in.lbs / 0-1,00rpm / 0-2,000ipm. 2 - 1.5Ah Li-ion "Z" Battery Packs GuardION Battery Protection System