• Used for DNA, RNA and protein electrophoresis, and blotting. • All parameters are easily set using the membrane keypad. • Select constant voltage, constant current or constant power (model 420-741-04 only). • Four sets of output terminals allow multiple gels to be run simultaneously. • Constant voltage and current with automatic crossover. • Model 420-741-04 is programmable and has a 20-program memory. • Large digital, backlit LCD. • Built-in safety features include no load and load change detection. • Units are compact and stackable with integral folding feet for easy viewing. • Dimensions (W x D x H): 7.6” x 9.9” x 3.2”. • Power: 120 volt. CSA Approved.