StopWatt is a plug-in device that stabilizes your home’s electrical current, reduces dirty electricity, and protects your appliances and electronics from harmful power surges. Simply plug it into any standard outlet on a 110V system — no installation, no maintenance required. UL Approved and RoHS Compliant, StopWatt is safe for continuous use in any home or business. Most homes begin seeing results within 6-8 weeks. Every order includes a 60-Day Money-Back Guarantee, a 1-Year Standard Warranty, and fast USA shipping.