BL1004 two speed, 0-350 rpm, 0-1100rpm specification: 7.2V, 9.6V, 12V,14.4V,16.8V, 18V, 24V drill chuck: 10mm CE/GS/ UL certificate of battery 3-5 hours battery charge blow mold case 9.6v $8.02 12v $8.42 14.4v $8.82 18v $9.44