If you check the "germkiller site" archives you may be  able to find all 
you need by using a 6 volt lantern battery..Really easy to set  up & can even 
get directions how to use it with controlled  current... Lois---_germkiller  
sign in_ 
(http://health.groups.yahoo.com/group/microelectricitygermkiller/?v=1&t=search&ch=web&pub=groups&sec=group&slk=1)