GB-4000 Sweep Function Generator and SR-4 Amplifier Rife Machine UPGRADED as pictured. Item will be well packed to arrived to you in the condition shown. All DVD players are NTSC Region 1 player (US and Canada). All electronic devices with wall plugs are 120V 60Hz devices. The item “GB-4000 Sweep Function Generator and SR-4 Amplifier Rife Machine UPGRADED” is in sale since Saturday, February 8, 2020. This item is in the category “Health & Beauty\Natural & Alternative Remedies\Electrotherapy Devices”. The seller is “blackboxbrigade” and is located in Englewood, Colorado. This item can be shipped to United States.