20V Max XR, Lithium-Ion, Brushless, 3 Speed, 1/4" Impact Driver, Brushless Motor For Maximum Runtime, 3 Speed Design For Application Specific Control, Push Button Chuck For 1 Handed Operation For Accessory Changes, Compact, 5.25" Front To Back, Lightweight Design Fits Into Tight Areas, 3 LED Lights Around The Chuck With 20 Second Delay After Trigger Release That Provides Visibility With Limited Shadows, Battery Fuel Gauge Indicator With 3 LED Lights Provides End Users With Guidance About Level Of Battery Runtime Available In The Pack, Includes: (2) 20V Max Lithium Ion 2.0 Ah Battery Packs, Fast Charger, Belt Hook, Accessory Storage & Kit Box, For Replacement Battery Use TV #205-574.