New 750BV VIPERTEK VTS-989-1 Heavy Duty Stun Gun With LED Flashlight VIPERTEK VTS-989 Heavy Duty Stun Gun. 1 x VIPERTEK VTS-989 Stun Gun. Stun Guns are designed to key into the nervous system. They dump their energy into the muscles at a different frequency than the pulse waves emanating from the brain.
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