... rotatable 2 using special shorwave infrared quartz glass, 3,Electric timer and real time digital display funct 1, Using special shorwave ... heat source which the light -wave offers powerful penetrablitiy.2; Electronic timer(range of 0-60 minutes are free to choose) and ... gather homogeneousl.5,Each heater tube has its own control switch, for free choice of different surface painting.5, Bracket is ...