Compact design, with a tool length of only 17.4 In. for tight spaces Weighs only 6.35 Lbs., great for overhead work Long 1-1/8 In. stroke for more efficient material removal Best-in-class power-to-weight ratio One-handed Lock-Jaw blade-change system Two speed settings and variable-speed trigger, to ease into cut Electronic Motor Protection (EMP) protects the motor against overload and ensures a long lifetime Bosch FatPack Batteries (sold separately) feature the CoolPack design with a special heat-conductive housing and ribbing that cools them by drawing out heat out, providing battery life of up to 100% over lithium-ion batteries without CoolPack design Bosch Electronic Cell Protection (ECP) protects the battery against overload, overheating and deep discharge