INSTANT 220V POWER SUPPLY - With the quick connect DIY220 by Krieger, users can quickly, easily and safely gain access to a single 220/240 Volt AC outlet by simply connecting the two (2) AC receptacles to separate 110/120V circuits in their home or business. ACCESS TO 220/240 VOLT AC – Plug the DIY220 by KRIEGER voltage converter to two (2) 110/120 Volt AC outlets to power 208-240 Volt equipment instantly and safely. The amber indicator will illuminate only once separate 110/120V connections are successfully made. TESTED & CERTIFIED - ETL certified by Intertek Testing Services, an OSHA/CSA recognized laboratory, who tested and certified the DIY220 by Krieger 220V Power Supply to conform to UL Standard for Safety Power Units (UL1012) and to CSA Standard for General Use Power Supplies (CAN/CSA C22.2 No. 107.1.) SMART BUILT-IN SAFETY PROTECTIONS – Designed with built-in safety protections to assure correct polarity and a double pole circuit breaker to protect the equipment connected, the DIY220 Power Supply and the building wiring. QUICK OPERATION – Test your 110/120V outlets wit GFCI tester included. Connect “Plug A” to 110/120 Volt outlet. Connect “Plug B” to different 110/120 Volt outlet, wait until 220V indicator illuminates. Switch circuit breaker to “ON” position. Connect your equipment to 220/240 Volt AC outlet, turn ON equipment and begin use. 2-YEAR WARRANTY - We believe in our product’s quality and performance, that’s why we offer the warranty that proves it: "2 Years Manufacturer Warranty" on parts and labor.