TWO-IN-ONE IMPACT DRIVER/WRENCH: Features a 1/4 in. hex shank and a 1/2 in. square drive, for using either bits or sockets SPEED CONTROL: Three speed and torque settings to dial back the tool for better control in different applications ADVANCED MODES: Offer preset and custom modes that help to prevent workpiece and fastener damage AUTO BOLT RELEASE: Stops rotation when there is no load on the tool to help prevent accidentally dropping bolts and nuts during removal CORE18V 4 AH BATTERY: Delivers 2x the runtime compared to previous generation bat612 2 ah battery CORE18V ADVANTAGE: High-Power li-ion cells, cutting-edge battery design and heat management with bosch-exclusive coolpack 2.0 technology CONNECTIVITY (MODULE SOLD SEPARATELY): Link to connected device via bosch toolbox app to customize settings, create custom modes, and receive feedback POWERFUL BRUSHLESS MOTOR: Delivers a max of 1,860 in.-lbs. of torque and up to 4,100 ipm for professional power BOSCH 18V CORDLESS POWER TOOLS AND 18V CHARGERS ARE COVERED BY A FIVE YEAR LIMITED WARRANTY; BOSCH 18V BATTERIES ARE COVERED BY A THREE YEAR LIMITED WARRANTY: For details, visit https://rb-pt.io/powertoolwarranty or call 1-877-bosch99 VARIABLE-SPEED TRIGGER: Controls operating speed for precise tool performance