It has a 60V MAX FLEXVOLT battery that powers 60V MAX tools or it can be backwards compatible to work with 20V MAX tools

Chuck Capacity: 3/8"

Built-in LED light: Illuminates work surfaces in dark locations

including hardwoods and metals

(1) 7/16" No wobble Arbor

DeWalt DCF815S2 Cordless Impact Driver Cordless Combo Kits_6-Tool It has a 60V MAX12V Max 1 4" Impact Driver Kit Standard Equipment: DCF815S2 Impact Driver Two 12V Max Lithium Ion Battery Packs Fast Charger Belt Hook & Impact Ready Bit Tip Contractor Bag Optional Accessories: DeWalt 12V Batteries & Chargers Driving Accessories Specifications: Rating: 12 Volt Drive: 1 4" No load RPM: 0 2,450 No load BPM: 0 3,400 Max Torque: 79 ft lbs Weight: 2. 3 lbs Features: Compact, lightweight design fits into tight areas. 3 LED Lights provide