Key Features POWERSTATE™ Brushless Motor REDLINK PLUS™ Intelligence REDLITHIUM™ Battery Pack Variable Speed Dial to Allow Users to Adjust the Speed to the Application Auto-Load Feature to allow the user to start slowly when making precise cuts, and automatically ramp up to the highest speed once under load 180 Degree Span LED Light for better Visibility in Low-Light Situations Oscillation Angle: 4.2 Degrees for Fastest Cutting Vibration Dampening Technology for Lowest Full Tool Vibration ool Free Blade Change for Faster Accessory Changes Compatible with all M18™ Batteries