roland_krebs6 years ago-101Does the transmitter also need a battery?Show in original language (German)christitub56 years ago000Yes, the transmitter and the unit itself each need a battery. But they are included and should last for a while.Show in original language (German)CommentAlessandro Bottinelli6 years ago000The transmitter also needs a battery (CR2032).Show in original language (German)Comment