DEWALT DCF885L1 20V MAX 1/4" Impact Driver Kit with 1 Battery Compact (5.55" front to back), lightweight (2.8 lbs) design fits into tight areas 3 LEDs with 20-second delay after trigger release, provide visibility without shadows One-handed loading 1/4" hex chuck accepts 1" bit tips *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18