PowrTwin controls two separate circuits. Similar the PowrTrol except this new PowrTwin is capable of controlling two separate circuits independently. The output range is conveniently adjustable from 5-100% of rated voltage. It can be used on a bench top.  With lighted on/off power switch, circuit breaker protection, 3-wire load receptacle, and 3-wire line cord with molded plug. Dimensions: 8"W x 6"D x 3-3/8"H.