The HART 20V Cordless 10-inch Random Orbit Buffer is a great addition to any arsenal of car cleaning tools. A lock on switch combined with its cordless capabilities makes this the ultimate convenience tool. The ergonomic D-handle design gives you more control while providing comfort and reducing fatigue. The elastic buffer bonnet makes pad changing easy, quick and convenient so you can spend more time caring for your car, boat or recreational vehicle. With a runtime of over 2.5 hours on a HART 20V 4.0Ah battery (Battery Not Included), you will have plenty of time to get the job done and leave your vehicle shining like never before. This tool runs on a HART 20V Lithium-Ion battery (Battery Not Included) providing fade-free power to get you through your project.