Acoustics, Voice Coil Film, Trumpet, Earphone, Headphone, Loudspeaker, Sound making UV curing machine, that installation on Conv UV Lamp: 2KW*1PCSArc length: ... stop electricity after cooling machineautomatically.Cooling way: air cooling.Machine material: Iron with painted white and black.Control case ... temperature below 60 degree;UV energy over: 800mj/cm2 Head phone UV curing machine