Features: This corona is digital typeTreating double sides at a timeEasy to chane the treating width by adjusting the anodeAfter chaning the power, the surface tension can be changed. Main specification: Model JQF600 JQF800 JQF1000 JQF1500 Power 2 KW 2 KW 3 KW 4 KW Treating width 600 MM 800 MM 1000 MM 1500 MM Voltage 220V/50HZ