Characteristic：

1.Constant temperature:Adopt PID arithmetic to control the temperature,the temperature tolerance is ±0.5 ℃
2.High efficency Instant heat up,heat up very quickly
3.Accurate:LED digital display,accurate and clear
4.Safety:Double relay,double temperature sensor,cut off power automatically when heater is out of water,overheat protection
5.Convenience:Convenient-external temperature setting,easy to operate