Input :AC 100-240V, Output :DC 26V 500mA. compatible models :Compatible with Hoover H-Free100/200/400/500/700/800( For Example Numbers:HF122GPT,HF122RPT, HF122AH,HF122GH,HF222XLRG,HF222RH, HF222MPT ,HF222UXL, HF222AXL, HF222UHC, HF201H011, HF522UPT ,HF522BH, HF522LCG ,HF522REW,HF522PTE,HF722G HF722PG HF722HCG,HF8220F),And more Vacuum Cleaner Models.