Pavlok Shock Clock 3 Black Purple Silicone Strap Alarm Signal for Adults New items ∙ No warranty, expressed or implied, is offered on this item. ∙ All sales are final. Returns are not accepted based on buyer’s subjective performance expectations. ∙ Seller is not responsible for compatibility issues with modern equipment. Please ask ALL questions before purchasing. I’m happy to test, photograph, or describe any specific function on request.