12V, 3/8", Maximum Cordless Lithium-Ion Drill/Driver Impact Driver Combo Kit. 12V, 3/8" Maximum Features 2 Speed Transmission For Optimal Speed & Torque Control, 0-400, 0-1,500 & LED Light Provides Visibility In Dark Areas. 12V Max 1/4" Impact Driver Features 3 LED Lights To Provide Visibility Without Shadows & 1 Handed Loading, 1/4" Hex Chuck Accepts 1" Bit Tips, Kit Includes: Two 12V Max Lithium-Ion Batteries, Fast Charger, Bit Tip, 2 Belt Hooks & Contractor Bag.