The T-45BL is a power supply that operates with select Mountz electric screwdrivers. It is single tool controller that is designed to operate at 100 - 240V. Switchable output voltage gives two-speed option on screwdrivers. This operates with Electric Screwdriver Models: BL2000 BL75000 and BLG4000 - BLG5000.Model:T-45BLTool Weight:11.3 oz.Tool Length:5.75Tool Width:2.8Tool Height:1.67Maximum Output:1AOutput VDC:20/30VInput VAC:100-240VFuse Size:3.15A