About these itemsPowerful Motor Performance: The impact drivers feature either brushless or brushed motors. Brushless motors offer high efficiency, low noise, low energy consumption, and long - lasting performance, while brushed motors are also effective in quickly completing fastening and disassembly tasks. Speeds range from 2800 RPM to 3000 RPM, and torque varies from 1062 in.lbs to 2213 in.lbs.Ample Battery Power: Equipped with either single or dual 2.0Ah batteries, they provide long - lasting power for continuous work, ensuring no disruptions from low battery during long - term or high - intensity projects.User - Friendly Operation: The one - touch forward and reverse feature allows for convenient tool operation, enabling easy one - handed switching between forward and reverse, which is especially useful in tight spaces or when both hands are occupied.Versatile Bit Selection: Come with a variety of bit sizes, making them suitable for multiple repair and DIY tasks such as furniture assembly/disassembly, fence repair, electrical equipment maintenance, and toy repair.Enhanced Visibility: All models are equipped with a bright LED light, which provides clear illumination in dimly lit areas, narrow spaces, or during night - time work, ensuring precise operation.Key DifferencesMotor Type and Performance: The DC85959S and DC85933S have brushless motors. The DC85959S delivers 2213 in.lbs torque at up to 2800 RPM, while the DC85933S offers 1062 in.lbs torque at up to 3000 RPM. The DC83959S has a brushed motor with 1593 in.lbs torque at 2800 RPM.Battery Configuration: The DC85959S and DC85933S come with dual 2.0Ah batteries, providing more extended power. The DC83959S has a single 2.0Ah battery.Speed Settings: The DC85959S has 2 - speed settings (0 - 2100 RPM/0 - 2800 RPM), while the DC83959S and DC85933S have single - speed settings (0 - 2800 RPM for DC83959S and 0 - 3000 RPM for DC85933S).Net Weight and Dimensions: The DC85959S weighs 7.47 lbs with tool dimensions of 5.5 x 3.2 x 9.1 in and comes with a case. The DC83959S weighs 4.5 lbs with tool dimensions of 7.3 x 3.2 x 10.2 in. The DC85933S weighs 3.75 lbs with tool dimensions of 5.9 x 2.2 x 7.3 in and comes with a carrying pouch.Package Content: The DC85959S comes with 20 x 50mm driver bits, a case, 2 batteries, and a charger. The DC83959S comes with 10 x 50mm driver bits, 1 battery, and a charger. The DC85933S comes with 20 x 25mm driver bits, 2 batteries, a charger, and a carrying pouch.SpecificationsDC85959SItem Model Number: DC85959SChuck Type: 1/4 inchVoltage: 20V DCBatteries: 2 x 2.0AhMotor: BrushlessTorque: 2213 in - lbs/250 N.mSpeed Settings: 2 - SpeedSpeed: 0 - 2100 RPM/0 - 2800 RPMImpact Rate: 3600 BPMNet Weight: 7.47 lbs/3.39 kgCase Dimensions: 11.2 x 5.1 x 12 in/285 x 130 x 305 mmTool Dimensions: 5.5 x 3.2 x 9.1 in/140 x 82 x 230 mmDC83959SItem Model Number: DC83959SChuck Type: 1/4 inchVoltage: 20V DCBatteries: 1 x 2.0AhMotor: BrushedTorque: 1593 in - lbs/180 N.mSpeed Settings: Single SpeedSpeed: 0 - 2800 RPMImpact Rate: 3600 BPMNet Weight: 4.5 lbs/2.04 kgTool Dimensions: 7.3 x 3.2 x 10.2 in/185 x 82 x 260 mmDC85933SItem Model Number: DC85933SChuck Type: 1/4 inchVoltage: 12V DCBatteries: 2 x 2.0AhMotor: BrushlessTorque: 1062 in - lbs / 120 N.mSpeed Settings: Single SpeedSpeed: 0 - 3000 RPMImpact Rate: 0 - 3400 BPMNet Weight: 3.75 lbs/1.7kgTool Dimensions: 5.9 x 2.2 x 7.3 in/150 x 55 x 185 mmPackage ContentDC85959S1 x Impact Driver2 x Batteries1 x Charger1 x Case20 x 50mm Driver BitsDC83959S1 x Impact Driver1 x Battery1 x Charger10 x 50mm Driver BitsDC85933S1 x Impact Driver2 x Batteries1 x Charger1 x Carrying Pouch20 x 25mm Driver Bits