12V, M12 Hackzall Kit, 12V Lithium Battery Offers Longer Run Time & Lighter Weight, Keyless Quik-Lok Blade Clamp AllowsFor Quick & Easy Blade Changes, All Metal Gear Case For Added Durability, Variable Speed Trigger For Increased User Control, Battery Fuel Gauge Displays Remaining Run Time, Accepts Both Hackzall & Sawzall Style Blades, Built In LED Light Illuminates Work Surface, Includes: 1 Each Of: 12V Lithium-Ion Battery, 30 Minute Charger, 2 Each Hackzall Blades & A Carrying Case, For Replacement Battery Use TV #111-527.