Feature:   1. Wide Application: The ultra thin digital control panel comes with a separate control box, which is suitable for SAB SAD HV series standard sauna steam engine.     2. Durable Material: Steam engine external controller is made of ABS and aluminum zinc sheet material, which is durable and long lasting, for you safe to use.     3. Multiple Functions: Steam engine external controller has multi functions, such as: sauna heater turn on off, sauna room light control, 1& 8209;12 hours working time setting.     4. Wall Mounted: This steam engine external controller supports wall mounted, which is easy and convenuent to install. It can be used directly after the installation is completed.     5. 35& 8209;110& 8451; Temperature Control: This steam engine external controller can control the temperature range of 35& 8209;110& 8451;. The vast range of control can meet your different sauna needs.             Specification:               Item Type: Steam Engine External Controller  Material: ABS and aluminum zinc sheet paint   Weight: Approx. 3550g/125.22oz  Size:  Connector: 31x26.5x7.4cm/12.20x10.43x2.91in  Installation: Wall mounted  Working Hours: 1-12 hours  Temperature Control Range: 35-110& 8451;  Connector Voltage: 380V                       Package List:   1 x Connector         1 x Controller       1 x Control Line       1 x Temperature Control Probe Wire         1 x Instruction                   How to use:Reference manual for installation circuit diagram.