... ) Improved gear system 3) Various speed 4) 12V, aluminium tub Cordless Caulking GunBattery Voltage : 12VNo Load Speed : 0.5 - 4.5 ... - 160 mm/minOptional charger : 5h slow or 1h fastBattery Type: Ni-cd battery.Adaptor : GS , CE , UL approvedPackage: BMC / Color Box20' GP ... color box packing2) Improved gear system3) Various speed low noise , CORDLESS CAULKING GUN