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, 1‑12 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、35‑110℃ Temperature Control: This steam engine external controller can control the temperature range of 35‑110℃. The vast range of control can meet your different sauna needs. Item Type: Steam Engine External Controller Material: ABS and aluminum zinc sheet paint Weight: Approx. 3550g/125.22oz Size: Connector: 31x26.5x10cm/12.20x10.43x3.94in Installation: Wall mounted Working Hours: 1-12 hours Temperature Control Range: 35-110℃ 1 x Connector 1 x Controller 1 x Control Line 1 x Temperature Control Probe Wire 1 x Instruction