240V to 120V Dryer Adapter3 Prong NEMA 10-30P male to 4 x 5-20/5-15R female with 24 amps Circuit Breaker, 30 amp to 20/15 Amp 110V adapter, Max rated for 250 volt 7500 watts, ETL listed ^^ 10-30 Male Plug30 Amp, 125/ 250 Volt, NEMA 10-30P 3 prong straight blade NO ground, usaully used in older hosue for older dryers(pre-1996), NEMA 10-30 outlets most common found in older homes built, especially in laundry rooms ^^ 4X NEMA 5-15/20R20 Amp, 125 Volt, NEMA 5-15/5-20R, 4 Household T-blade Female Connector of 3 Prong 15/20Amp 125 Volts; Suitable for 110/125V common household appliances, Such as gas stove/washer, etc ^^ Built-in Circuit BreakerCircuit Breaker at two side, Support max 20 Amp loading for each side, the circuit breaker will trip and cut off the power supply of the appliance when the current of the appliance exceeds 20Amp ^^ Safety and Durability10/3 AWG, Pure copper wiring coated with a Heavy Duty flame retardant, heat resistant, UV resistant PVC, Suitable for various harsh environments, ETL-listed