This AC WORKS brand locking adapter is very durable with a compact design. It is a NEMA L6-30 to NEMA L6-20R. The NEMA L6-30P is a 30 Amp, 250-Volt, 3-prong locking male plug. The NEMA L6-20 is a 20 Amp, 250-Volt locking female connector. The product is heavy duty, compact and contains nickel-plated pins and terminals to prevent rusting. There is also a built-in power indicator light to let you know that power is flowing. The maximum operation power of this product is 5000-Watt. Included with your purchase is a 5-year limited warranty. Color: Orange.